# Mathematics Colloquia and Seminars

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PDE and Applied Math SeminarJ. Hunter (F), S. Shkoller (W), K. Luli (S)PastFuture
Algebra & Discrete MathematicsE. Babson (S), C. O'Neill (W), M. Vazirani (F)PastFuture
Algebraic GeometryG. Kuperberg (S), E. Carlsson (W), E. Gorskiy (F)PastFuture
Geometry/TopologyA. Jacob (F), J. Schultens (W), C. Even Zohar (S), M. Trnkova (S)PastFuture
Mathematical BiologyM. Vazquez (F), R. Guy (W), S. Walcott (S)PastFuture
Mathematical Physics & ProbabilityC. Tracy (F), P. Koroteev (W), B. Nachtergaele (S)PastFuture
Optimization(Special topics only)PastFuture
QMAP SeminarA. Waldron (F), T. Dimofte (W), A. Schwarz (S)PastFuture
ColloquiumJ. De Loera, J. Hunter, M. LuuPastFuture
GGAM ColloquiumPastFuture
Distinguished Lecture SeriesJ. De Loera, J. Hunter, M. LuuPastFuture
Student-Run Applied & Math SeminarJ. Shu, D. WeberPastFuture
Student-Run Geometry/Topology SeminarM. PoncePastFuture
Student-Run Algebraic Geometry SeminarO. Kivinen, P. KshirsagarPastFuture
Student-Run Optimization and Variational AnalysisPastFuture
Featured Campus SeminarsPastFuture
Special EventsPastFuture

### Past Talks

 2112 MSB Algebra & Discrete Mathematics Matthias Beck Wed, Jan 10 2018, 4:15PM Classification of Ehrhart polynomials (in particular, on zonotopes) MSB 2112 Algebra & Discrete Mathematics Brendon Rhoades, UC San Diego Wed, Dec 13 2017, 4:10PM Generalized coinvariant algebras and their quantum analogs MSB 1147 Algebra & Discrete Mathematics Megan Ly, University of Colorado Boulder Mon, Dec 4 2017, 4:15PM A set partition analogue of partition and tableaux combinatorics MSB 2112 Algebra & Discrete Mathematics James Tener, UCSB Mon, Nov 27 2017, 10:00AM Fusion of representations of affine Lie algebras and functorial conformal field theory MSB 1147 Algebra & Discrete Mathematics Bryan Gillespie, UC Berkeley Mon, Nov 20 2017, 4:15PM Matroids, Antimatroids, and the External Order MSB 1147 Algebra & Discrete Mathematics Igor Pak, UCLA and MSRI Mon, Nov 13 2017, 4:15PM Product formulas for the number of Young tableaux of skew shape MSB 2112 Algebra & Discrete Mathematics Hugh Thomas, UQAM Mon, Nov 6 2017, 4:15PM Robinson-Schensted-Knuth via quiver representations MSB 1147 Algebra & Discrete Mathematics Caroline Klivans, Brown Mon, Oct 30 2017, 4:15PM On the connectivity of three-dimensional tilings MSB 1147 Algebra & Discrete Mathematics Gabriel Frieden, University of Michigan Mon, Oct 23 2017, 4:15PM Promotion and affine crystal combinatorics via the Grassmannian MSB 2112 Algebra & Discrete Mathematics Josephine Yu, Georgia Institute of Technology / MSRI Mon, Oct 16 2017, 4:15PM Generalized Permutohedra from Probabilistic Graphical Models MSB 2112 Algebra & Discrete Mathematics Jehanne Dousse, Zurich Fri, Sep 29 2017, 4:15PM A partition identity from crystal base theory MSB 2112 Algebra & Discrete Mathematics Naser Talebizadeh Sardari, University of Wisconsin Mon, Jun 5 2017, 4:10PM Complexity of strong approximation on the sphere MSB 2112 Algebra & Discrete Mathematics Federico Castillo, UC Davis Thu, Jun 1 2017, 4:10PM Ph.D. Exit Seminar: The algebra and geometry of polymatroids MSB 2112 Algebra & Discrete Mathematics Jake Levinson, University of Michigan Mon, May 22 2017, 4:10PM Boij-Söderberg Theory for Grassmannians MSB 2112 Algebra & Discrete Mathematics Ivan Losev, Northeastern University Mon, May 15 2017, 4:10PM Supports for rational Cherednik algebras, wall-crossing bijections and crystals MSB 2112 Algebra & Discrete Mathematics Andre Kornell, UC Davis Thu, May 11 2017, 4:10PM Generalizing primitive recursive arithmetic MSB 2112 Algebra & Discrete Mathematics Max Ehrman, Yale University Mon, May 8 2017, 4:10PM Almost Prime Coordinates in Thin Pythagorean Triangles MSB 2112 Algebra & Discrete Mathematics Graham White, Stanford University Mon, May 1 2017, 4:10PM Strong stationary times for small shuffles MSB 2112 Algebra & Discrete Mathematics Jenny Wilson, Stanford University Mon, Apr 24 2017, 4:10PM Stability in the second homology of Torelli groups MSB 2112 Algebra & Discrete Mathematics Khrystyna Serhiyenko, UC Berkeley Mon, Apr 17 2017, 4:10PM Mutation of Conway-Coxeter friezes MSB 2112 Algebra & Discrete Mathematics Anton Dochtermann, Texas State University Mon, Apr 10 2017, 4:10PM Trees, skeleta, and combinatorics of monomial chip-firing ideals 2112 Algebra & Discrete Mathematics TBA Mon, Mar 13 2017, 4:10PM postponed 2112 Algebra & Discrete Mathematics Alexei Oblomkov Mon, Mar 6 2017, 4:10PM Jucys-Murphy elements, affine braids and Hilb-knot homology Math 2112 Algebra & Discrete Mathematics Martin Luu, UC Davis Mon, Feb 27 2017, 4:10PM Irregular connections and quivers in the Sato Grassmannian MSB 2112 Algebra & Discrete Mathematics Anton Mellit, IST Austria Wed, Feb 22 2017, 4:10PM Rational shuffle conjecture and torus braids Math 2112 Algebra & Discrete Mathematics Sabir Gusein-Zade, Moscow State University Mon, Feb 13 2017, 4:10PM Power structures over Grothendieck ring of varieties and Macdonald type equations MSB 2112 Algebra & Discrete Mathematics Mikhail Mazin, Kansas State University Fri, Feb 10 2017, 2:10PM Geometric operators on the equivariant K-theory of the space of partial flags. Math 2112 Algebra & Discrete Mathematics Fan Wei, Stanford University Mon, Feb 6 2017, 4:10PM Fast permutation property testing Mathematics 2112 Algebra & Discrete Mathematics Andrey Smirnov, U.C. Berkeley Mon, Jan 23 2017, 4:10PM Quantum difference equations for Nakajima varieties Math 3106 Algebra & Discrete Mathematics Florian Frick, Cornell University Tue, Jan 17 2017, 11:10AM Chromatic numbers of stable Kneser hypergraphs Math 2112 Algebra & Discrete Mathematics Boris Bukh Wed, Jan 11 2017, 3:10PM Ranks of matrices with few distinct entries MSB 2112 Algebra & Discrete Mathematics Peter Samuelson, U Edinburgh Mon, Jan 9 2017, 4:10PM The trace of the quantum Heisenberg category MSB 1147 Algebra & Discrete Mathematics Oleksandr Tsymbaliuk, Simons Center for Geometry and Physics Mon, Nov 28 2016, 4:10PM Shifted Yangians and shifted quantum affine algebras MSB 2112 Algebra & Discrete Mathematics Shamgar Gurevich, (UW Madison and Yale) Tue, Nov 22 2016, 2:10PM “Small" Representations of Finite Classical Groups MSB 1147 Algebra & Discrete Mathematics Vasu Tewari, University of Washington Mon, Nov 21 2016, 4:10PM Schur positivity and labeled binary trees MSB 2112 Algebra & Discrete Mathematics Maria Gillespie, UC Davis Fri, Nov 18 2016, 2:10PM On q,t-symmetry in Macdonald polynomials and its relation to the n! conjecture MSB 1147 Algebra & Discrete Mathematics Rafael S. González D'León, University of Kentucky Mon, Nov 14 2016, 4:10PM The colored symmetric and exterior algebras MSB 1147 Algebra & Discrete Mathematics Michel Raibaut, Université de Savoie Mon, Nov 7 2016, 4:10PM Motivic Milnor fibers MSB 1147 Algebra & Discrete Mathematics Gaku Liu, MIT Mon, Oct 31 2016, 4:10PM A counterexample to the extension space conjecture for realizable oriented matroids MSB 1147 Algebra & Discrete Mathematics Ben Elias, University of Oregon Mon, Oct 24 2016, 4:10PM Webs, Ladders, and Clasps MSB 3106 Algebra & Discrete Mathematics Lev Rozansky, UNC Chapel Hill Thu, Oct 20 2016, 11:00AM Flag varieties, Gukov-Witten defect and HOMFLY-PT link homology I MSB 1147 Algebra & Discrete Mathematics Jose Simental Rodriguez, Northeastern University Mon, Oct 17 2016, 4:10PM Harish-Chandra bimodules for rational Cherednik algebras MSB 2112 Algebra & Discrete Mathematics Xin Zhang, UIUC Fri, Oct 14 2016, 2:10PM The Gap Distribution of Directions in Some Schottky Groups MSB 1147 Algebra & Discrete Mathematics Erik Carlsson, UC Davis Mon, Oct 10 2016, 4:10PM Hilbert schemes, combinatorics, and character varieties MSB 1147 Algebra & Discrete Mathematics Seth Baldwin, UNC Chapel Hill Mon, Oct 3 2016, 4:10PM Positivity in T-equivariant K-theory of flag varieties associated to Kac-Moody groups. MSB 1147 Algebra & Discrete Mathematics Christopher O'Neill, UC Davis Mon, Sep 26 2016, 4:10PM Minimal presentations of shifted numerical monoids 3240 Algebra & Discrete Mathematics Wen Huang, University of Science and Technology of China Tue, Aug 2 2016, 1:10PM Common difference sets, higher order recurrence sets and related problems MSB 3106 Algebra & Discrete Mathematics Michael Walters, Stanford Univ. Wed, Jun 1 2016, 2:10PM Moment polytopes, computation and complexity Math Science Building 3106 Algebra & Discrete Mathematics Reuben La Haye, UC Davis Wed, Jun 1 2016, 10:00AM A Rainbow Ramsey Analogue of Rado’s Theorem Math Science Building 2112 MSB Algebra & Discrete Mathematics Jacob Miller, UC Davis Wed, May 25 2016, 5:10PM Discrete Wasserstein Barycenters: Optimal Transport for Discrete Data MSB 3106 Algebra & Discrete Mathematics Chris O'Neill, Texas A&M Univ. Wed, May 18 2016, 5:10PM Minimal presentations of shifted numerical monoids MSB 1147 Algebra & Discrete Mathematics Prof. Iskander Aliev, Cardiff Univ. UK Mon, May 16 2016, 4:10PM Parametric Polyhedra with at least $k$ Lattice Points MSB 1147 Algebra & Discrete Mathematics Craig Timmons, CSU Sacramento Mon, May 9 2016, 4:10PM Error Correcting Codes and Finite Geometry MSB 1147 Algebra & Discrete Mathematics Angela Hicks, Stanford Univ. Mon, May 2 2016, 4:10PM A Random Walk on the Heisenberg Group MSB 1147 Algebra & Discrete Mathematics Ben Steinberg, CUNY Mon, Apr 25 2016, 4:10PM The representation theory of algebras associated to hyperplane arrangements, oriented matroids and CAT(0) cube complexes MSB 3106 Algebra & Discrete Mathematics Anna Seigal, UC Berkeley Wed, Apr 20 2016, 5:10PM Structured Clustering using Integer Programming MSB 1147 Algebra & Discrete Mathematics Stephen de Salvo, UCLA Mon, Apr 18 2016, 4:10PM Exact sampling of combinatorial structures Math Sci Building 3106 Algebra & Discrete Mathematics Brandon Dutra (exit seminar), UC Davis Wed, Apr 13 2016, 5:10PM Decomposition methods in non-linear optimization and data mining MSB 1147 Algebra & Discrete Mathematics Dmitriy Drusvyatskiy, Univ. of Washington Mon, Apr 11 2016, 4:10PM Geometry of orthogonally invariant matrix varieties MSB 1147 Algebra & Discrete Mathematics Andrea Appel, University of Southern California Mon, Apr 4 2016, 4:10PM Quantum Groups, Monodromy, and Generalised Braided Categories MSB 3106 Algebra & Discrete Mathematics Monica Blanco, Univ. of Cantabria (Spain) Wed, Mar 30 2016, 5:10PM Enumerating lattice $3$-polytopes MSB 1147 Algebra & Discrete Mathematics Ivan Losev, Northeastern Mon, Mar 14 2016, 1:10PM Cacti and cells MSB 1147 Algebra & Discrete Mathematics Nathan Williams Mon, Mar 7 2016, 1:10PM Sweeping Up Zeta MSB 2112 Algebra & Discrete Mathematics Jake Bourjaily Fri, Mar 4 2016, 1:10PM Scattering Amplitudes and the Positive Grassmannian MSB 1147 Algebra & Discrete Mathematics Alexander Holroyd Mon, Feb 29 2016, 11:00AM Finitely Dependent Coloring MSB 1147 Algebra & Discrete Mathematics Anastasia Chavez, UCB Mon, Feb 22 2016, 1:10PM Dehn-Sommerville relations and the Catalan Matroid MSB 1147 Algebra & Discrete Mathematics Matt Hogancamp, U Indiana Fri, Feb 19 2016, 1:10PM Categorified sl_N spiders and Sym^n-projectors MSB 1147 Algebra & Discrete Mathematics Alexander Palen Ellis, U Oregon Mon, Feb 8 2016, 1:10PM Quantum gl(1|1) and tangle Floer homology MSB 1147 Algebra & Discrete Mathematics Akiyoshi Tsuchiya, Osaka U Mon, Feb 1 2016, 1:10PM The possible sign patterns of the coefficients of Ehrhart polynomials MSB 1147 Algebra & Discrete Mathematics Sara Billey, U Washington Mon, Jan 25 2016, 1:10PM Reduced words and a formula of Macdonald MSB 1147 Algebra & Discrete Mathematics Florian Frick, Cornell Mon, Jan 11 2016, 1:10PM Path-following via PL maps, Sperner's lemma, and hyperplane mass partitions MSB 1147 Algebra & Discrete Mathematics Brendon Rhoades, UC San Diego Fri, Dec 4 2015, 2:10PM Evidence for parking conjectures MSB 1147 Algebra & Discrete Mathematics Maria Gillespie, UC Berkeley Fri, Nov 13 2015, 2:10PM Monodromy and K-theory of Schubert Curves via Generalized Jeu de Taquin MSB 1147 Algebra & Discrete Mathematics Zachary Hamaker, University of Minnesota Fri, Nov 6 2015, 11:00AM Involution words - a survey MSB 1147 Algebra & Discrete Mathematics Olya Mandelshtam, UC Berkeley Fri, Oct 30 2015, 2:10PM Combinatorics of the two-species PASEP and generalizations MSB 1147 Algebra & Discrete Mathematics Matt Hogancamp, Indiana University Fri, Oct 23 2015, 2:10PM Categorical diagonalization of the full twist SFSU Algebra & Discrete Mathematics various speakers Sat, Oct 17 2015, 10:00AM BAD Math Day MSB 1147 Algebra & Discrete Mathematics Erik Carlsson, Harvard Fri, Oct 16 2015, 2:10PM A proof of the shuffle conjecture MSB 1147 Algebra & Discrete Mathematics Henry Kvinge, UC Davis Fri, Oct 9 2015, 2:10PM The influence of the Kirillov-Reshetkhin crystal $B^{1,1}$ on the structure of simple cyclotomic KLR modules MSB 1147 Algebra & Discrete Mathematics Eugene Gorsky, UCD Fri, Oct 2 2015, 2:10PM Torus knots and Cherednik algebras MSB 1147 Algebra & Discrete Mathematics Franco Saliola, UQAM Fri, Sep 25 2015, 2:10PM Spectral analysis of random-to-random Markov chains MSB 1147 Algebra & Discrete Mathematics Mikhail Mazin, KSU Fri, Sep 11 2015, 2:10PM LLT Polynomials and Schur Positivity in Rational Shuffle Conjecture MSB 2112 Algebra & Discrete Mathematics Peter Richtarik, University of Edinbrough Mon, Jun 1 2015, 4:00PM Randomized coordinate descent methods with arbitrary sampling MSB 3106 Algebra & Discrete Mathematics Rob Denomme, UCLA Wed, May 27 2015, 11:00AM The Demazure character formula and 2-Lie algebras MSB 2112 Algebra & Discrete Mathematics Jon Lee, University of Michigan Thu, May 21 2015, 4:10PM Some Adventures in Combinatorial Computing: small data and extreme computing MSB 3106 Algebra & Discrete Mathematics Christopher O'Neill, Texas A&M Wed, May 20 2015, 3:10PM On factorization invariants and Hilbert functions MSB 2112 Algebra & Discrete Mathematics Ben Recht, University of California, Berkeley Thu, May 14 2015, 4:00PM Analysis and Design of Optimization Algorithms using Robust Control MSB 2112 Algebra & Discrete Mathematics Jan Vondrak, IBM Research Thu, May 7 2015, 4:10PM Yet Another Algorithmic Local Lemma? MSB 3106 Algebra & Discrete Mathematics Alejandro Morales, University of California, Los Angeles Thu, Apr 30 2015, 3:00PM The polytope of Tesler matrices MSB 2112 Algebra & Discrete Mathematics Bernd Sturmfels, University of California, Berkeley Thu, Apr 23 2015, 4:00PM Spectrahedra and their Shadows MSB 2112 - Algebra & Discrete Mathematics Dan Romik, UC Davis Wed, Mar 11 2015, 5:10PM Asymptotic enumeration of representations of SU(3), the Bernoulli numbers, and the Witten zeta function MSB 2112 Algebra & Discrete Mathematics Olivia Dumitrescu, Leibniz Universität Hannover Mon, Feb 23 2015, 5:10PM Interpolation problems and birational geometry MSB 2112 Algebra & Discrete Mathematics Teo Backhaus, University of Koeln (Cologne) Mon, Feb 9 2015, 5:10PM PBW filtration on highest weight representations MSB 2112 Algebra & Discrete Mathematics Iordan Ganev, UT Austin Mon, Feb 2 2015, 5:10PM Quantum multiplicative hypertoric varieties at a root of unity MSB 2112 Algebra & Discrete Mathematics Thomas Church, Stanford Mon, Jan 26 2015, 5:10PM Combinatorial stability and representation stability MSB 3106 Algebra & Discrete Mathematics Ole Warnaar, The University of Queensland Fri, Jan 16 2015, 5:10PM Generalised Rogers--Ramanujan identities and arithmetics MSB 1147 Algebra & Discrete Mathematics Peter Buergisser, Technical University of Berlin and Simons Institute Mon, Dec 8 2014, 1:10PM Condition of convex optimization and spherical intrinsic volumes MSB 1147 Algebra & Discrete Mathematics Zsuzsanna Dancso, MSRI Mon, Dec 1 2014, 1:10PM A categorical realization of the cut and flow lattices of graphs MSB 1147 Algebra & Discrete Mathematics David Rose, USC Mon, Nov 24 2014, 1:10PM Khovanov-Rozansky homology via categorified quantum groups and skew Howe duality MSB 1147 Algebra & Discrete Mathematics Winfried Bruns, Universitat Osnabruck Mon, Nov 24 2014, 11:00AM Free sums of polytopes - the algebraic perspective MSB 1147 Algebra & Discrete Mathematics Frank Sottile, Texas A&M and Simons Institute Mon, Nov 17 2014, 1:10PM Some more geometry in the secondary fan MSB 1147 Algebra & Discrete Mathematics An Huang, Harvard Mon, Nov 10 2014, 1:10PM CW complex associated to digraphs MSB 1147 Algebra & Discrete Mathematics Ricky Liu, NCSU Mon, Nov 3 2014, 1:10PM Complete branching rules MSB 1147 Algebra & Discrete Mathematics Martin Henk, U. Magdeburg, Germany Mon, Oct 27 2014, 1:10PM Polytopes, successive minima, and the logarithmic Minkowski problem MSB 1147 Algebra & Discrete Mathematics Pablo Soberon, University of Michigan Mon, Oct 20 2014, 1:10PM Mass partitions in high dimensions MSB 1147 Algebra & Discrete Mathematics David Rolnick, MIT Mon, Oct 20 2014, 12:10PM Graphs of large affine dimension MSB 1147 Algebra & Discrete Mathematics Edgardo Roldan, National U. Mexico Mon, Oct 13 2014, 1:10PM Cutting convex curves MSB 0 Algebra & Discrete Mathematics Benjamin Young, U Oregon Wed, Oct 8 2014, 4:10PM A bijective proof and a Markov growth process for Macdonald's identity MSB 1147 Algebra & Discrete Mathematics Olivia Dumitrescu, Leibniz Universität Hannover Mon, Oct 6 2014, 2:10PM Quantization for spectral curves of rank 2 meromorphic Higgs bundles MSB 2112 Algebra & Discrete Mathematics Prof. Allen Knutson, Cornell University Mon, Jun 9 2014, 4:10PM Discretely ending the year II'': Schubert calculus of interval rank varieties MSB 2112 Algebra & Discrete Mathematics Zvi Rosen, UC Berkeley Mon, Jun 9 2014, 3:10PM Discretely ending the year I'': Computing Algebraic Matroids MSB 212 Algebra & Discrete Mathematics Dr. Edinah K. Gnang, IAS (Institute for Advanced Studies Princeton) Mon, Jun 2 2014, 12:10PM Computational aspects of the Combinatorial Nullstellensatz method via a polynomial approach to matrix and hypermatrix algebra MSB 2112 Algebra & Discrete Mathematics Dr. Vidya Venkateswaran, UC Davis Mon, May 19 2014, 12:10PM A $p$-adic interpretation of some integral identities for Hall-Littlewood polynomials MSB 2112 Algebra & Discrete Mathematics Prof. Serkan Hosten, San Francisco State University Mon, May 12 2014, 12:10PM The degree of the central curve in quadratic programming MSB 2112 Algebra & Discrete Mathematics Prof Igor Pak, Univ. of California, Los Angeles Mon, May 5 2014, 12:10PM The mysterious Littlewood-Richardson coefficients MSB 2112 Algebra & Discrete Mathematics Brendan Pawlowski, Univ. of Washington Mon, Apr 28 2014, 12:10PM Permutation patterns and Stanley symmetric functions MSB 2112 Algebra & Discrete Mathematics Avinash Bhardwaj, Univ. of California, Berkeley Mon, Apr 21 2014, 12:10PM On Network Design with Stochastic Arc Capacities. MSB 2112 Algebra & Discrete Mathematics Prof. Thomas Rothvoss, Univ. of Washington, Seattle Mon, Apr 14 2014, 12:10PM The matching polytope has exponential complexity MSB 2112 Algebra & Discrete Mathematics Prof. Deborah Oliveros, CINNMA-UNAM Mon, Apr 7 2014, 12:10PM A Fractional Helly Theorem for Boxes MSB 0 Algebra & Discrete Mathematics Prof. Amanda Montejano , Universidad de Queretaro Mon, Mar 31 2014, 2:10PM The structure of rainbow-free colorings in arithmetic anti-Ramsey Theory MSB 2112 Algebra & Discrete Mathematics Dr. Edgardo Roldan Pensado, CINNMA- Universidad de Queretaro Mon, Mar 31 2014, 12:10PM Lower bounds on geometric Ramsey functions MSB 2112 Algebra & Discrete Mathematics Steven Sam, UC Berkeley Mon, Mar 10 2014, 12:10PM Grobner bases for twisted commutative algebras MSB 2112 Algebra & Discrete Mathematics You Qi, UC Berkeley Mon, Mar 3 2014, 4:10PM Categorification of small quantum groups MSB 1147 Algebra & Discrete Mathematics Sonja Petrovic, Illinois Institute of Technology Mon, Feb 24 2014, 4:10PM Markov bases through hypergraphs MSB 2112 Algebra & Discrete Mathematics Martha Yoko Takane Imay, Universidad Nacional Autonoma de Mexico Mon, Feb 10 2014, 4:10PM "Logarithmically" almost all matroids are sparse-paving MSB 2112 Algebra & Discrete Mathematics Vivek Shende, UC Berkeley Mon, Feb 3 2014, 4:10PM Legendrian knots and constructible sheaves MSB 3106 Algebra & Discrete Mathematics Mathieu Mansuy, Institut de Mathematiques de Jussieu Fri, Jan 10 2014, 5:10PM Extremal loop weight representations of quantum toroidal algebras MSB 1147 Algebra & Discrete Mathematics Dave Penneys, University of Toronto Mon, Jan 6 2014, 4:10PM Exotic fusion categories MSB 2112 Algebra & Discrete Mathematics John Rhodes, UC Berkeley Mon, Dec 2 2013, 2:10PM Boolean representations of matroids and simplicial complexes with applications to semigroups MSB 1147 Algebra & Discrete Mathematics Michelle Wachs, University of Miami/UC Berkeley Mon, Nov 25 2013, 11:00AM Eulerian numbers, chromatic quasisymmetric functions and Hessenberg varieties MSB 1147 Algebra & Discrete Mathematics Martha Yoko Takane Imay, Universidad Nacional Autonoma de Mexico Mon, Nov 18 2013, 11:00AM Equilibrium Theorems of the Perron-Frobenius type MSB 1147 Algebra & Discrete Mathematics Ben Salisbury, Central Michigan University Fri, Nov 15 2013, 11:00AM The Gindikin-Karpelevich formula, the Casselman-Shalika formula, and crystals of tableaux MSB 1147 Algebra & Discrete Mathematics Jeremy Martin, University of Kansas Mon, Nov 4 2013, 11:00AM Eigenvalues of Simplicial Rook Graphs MSB 1147 Algebra & Discrete Mathematics Mikhail Mazin, Kansas State University Mon, Oct 28 2013, 11:00AM Rational Slope Parking Functions and Affine Permutations MSB 1147 Algebra & Discrete Mathematics Quentin Louveaux, Universite de Liege Mon, Oct 21 2013, 11:00AM Separating valid inequalities from small integer programs MSB 1147 Algebra & Discrete Mathematics Tom Denton, York University, Toronto Fri, Oct 11 2013, 11:00AM Quonting Quores MSB 1147 Algebra & Discrete Mathematics Yan Zhang, UC Berkeley Mon, Oct 7 2013, 11:00AM Adinkras for Combinatorialists MSB 1147 Algebra & Discrete Mathematics Angela Hicks, Stanford Mon, Sep 30 2013, 11:00AM Parallelogram Polyominoes and (Surprise!)-- The Diagonal Harmonics MSB 1147 Algebra & Discrete Mathematics Wed, May 29 2013, 12:10PM MSB 1147 Algebra & Discrete Mathematics Peter McNamara, Stanford Wed, May 22 2013, 12:10PM Representations of KLR algebras MSB 1147 Algebra & Discrete Mathematics Zajj Daugherty, Dartmouth College Mon, May 20 2013, 12:10PM The quasi-partition algebra MSB 1147 Algebra & Discrete Mathematics Robert Hildebrand, UC Davis Wed, May 15 2013, 12:10PM Subadditive functions and extreme points for the Infinite Group Problem: An approach to multi-row cutting planes for mixed integer programming MSB 0 Algebra & Discrete Mathematics Wed, May 8 2013, 4:10PM no seminar planned, but see UCB RTG MSB 1147 Algebra & Discrete Mathematics Andrew Critch, UC Berkeley Wed, May 1 2013, 12:10PM Causality and Algebraic Geometry MSB 1147 Algebra & Discrete Mathematics Sarah Witherspoon, Texas A&M Wed, Apr 24 2013, 12:10PM Hopf algebras and varieties for modules MSB 1147 Algebra & Discrete Mathematics Frank Sottile, Texas A&M Wed, Apr 17 2013, 12:10PM Galois groups of Schubert problems (and "The Shape of Space" at the Math Club) MSB 0 Algebra & Discrete Mathematics Wed, Apr 10 2013, 12:10PM no seminar planned, but see MSRI MSB 1147 Algebra & Discrete Mathematics Jose Rodriguez, UC Berkeley, Dept. of Mathematics Thu, Mar 21 2013, 3:10PM Numerical Algebraic Geometry in Algebraic Statistics MSB 1147 Algebra & Discrete Mathematics Suvrit Sra, Max Planck Institute for Intelligent Systems, Tübingen, Germany Mon, Mar 11 2013, 3:10PM A new metric on positive definite matrices and its connections MSB 1147 Algebra & Discrete Mathematics Stefanie Jegelka, Dept. of Computer Science, UC Berkeley Thu, Mar 7 2013, 3:10PM Coupling graph edges with submodular functions MSB 1147 Algebra & Discrete Mathematics Lauren Williams, Dept. of Mathematics, UC Berkeley Thu, Feb 28 2013, 3:10PM Network parameterizations for the Grassmannian MSB 1147 Algebra & Discrete Mathematics Lenny Fukshansky, Dept. of Mathematics, Claremont McKenna College Thu, Feb 21 2013, 3:10PM On the geometry of cyclic lattices MSB 1147 Algebra & Discrete Mathematics Bernd Sturmfels, Dept. of Mathematics, UC Berkeley Thu, Feb 14 2013, 3:10PM Maximum Likelihood for Matrices with Rank Constraints MSB 2112 Algebra & Discrete Mathematics Tamon Stephen, Simon Fraser University Mon, Feb 11 2013, 3:10PM Two pairs of boolean functions in biology MSB 1147 Algebra & Discrete Mathematics Tamon Stephen, Dept. of Mathematics, Simon Fraser University Thu, Feb 7 2013, 3:10PM Lower Bounds for Colourful Simplicial Depth MSB 1147 Algebra & Discrete Mathematics Sherman Stein, Dept. of Mathematics, UC Davis Thu, Jan 31 2013, 3:10PM The Information in an Identity MSB 1147 Algebra & Discrete Mathematics Greg Kuperberg, Dept. of Mathematics, UC Davis Thu, Jan 24 2013, 3:10PM Computational complexity of orbit and isomorphism problems MSB 2112 Algebra & Discrete Mathematics Valerio Capraro, University of Southampton, MSRI Fri, Jan 18 2013, 1:10PM On the coarse fundamental group MSB 1147 Algebra & Discrete Mathematics Christian Haase, Institut f\"ur Mathematik, G\"oethe Universit\"at Thu, Jan 17 2013, 3:10PM Lattice points and adjunction MSB 2112 Algebra & Discrete Mathematics Karoly Bezdek, Department of Mathematics and Statistics, University of Calgary Mon, Jan 7 2013, 4:10PM Coverings by Cylinders MSB 1147 Algebra & Discrete Mathematics Dave Penneys, University of Toronto Sun, Jan 6 2013, 12:00AM Exotic fusion categories MSB 1147 Algebra & Discrete Mathematics Arkady Berenstein, University of Oregon Fri, Dec 7 2012, 4:10PM Quantum cluster characters of Hall algebras MSB 2112 Algebra & Discrete Mathematics Hélène Barcelo, MSRI Mon, Dec 3 2012, 3:10PM A glimpse at Analytic Combinatorics MSB 1147 Algebra & Discrete Mathematics William Slofstra, UC Davis Mon, Nov 26 2012, 4:10PM Strong Macdonald theorems and Kahler geometry of affine flag varieties MSB 1147 Algebra & Discrete Mathematics Florian Block, UC Berkeley Mon, Nov 19 2012, 4:10PM Refined curve counting with tropical geometry MSB 2112 Algebra & Discrete Mathematics Bruce Fontaine, MSRI and Cornell University Tue, Nov 6 2012, 3:10PM Rotation and the Satake fiber MSB 1147 Algebra & Discrete Mathematics Bernard Leclerc, Université de Caen Mon, Nov 5 2012, 4:10PM A presentation of t-deformed Grothendieck rings MSB 1147 Algebra & Discrete Mathematics Persi Diaconis, Stanford University Mon, Oct 29 2012, 4:10PM Hopf algebras and Markov Chains MSB 1147 Algebra & Discrete Mathematics Gregg Musiker, University of Minnesota and MSRI Mon, Oct 22 2012, 4:10PM Bases for cluster algebras from surfaces MSB 1147 Algebra & Discrete Mathematics Andrei Zelevinsky, Northeastern University and MSRI Mon, Oct 15 2012, 4:10PM Positivity and greedy bases in rank 2 cluster algebras MSB 1147 Algebra & Discrete Mathematics HiroFumi Yamada, Okayama University and UC Davis Mon, Oct 8 2012, 1:10PM A peripheral combinatorics of partitions MSB 1147 Algebra & Discrete Mathematics Catharina Stroppel, Universitaet Bonn and University of Chicago Mon, Oct 1 2012, 4:10PM The combinatorics of 2-row Springer fibers in type D MSB 1147 Algebra & Discrete Mathematics Matthew Stamps, Alto University Mon, Jun 18 2012, 2:10PM Betti diagrams of graphs MSB 2112 Algebra & Discrete Mathematics Tom Denton, Fields Institute Tue, Jun 5 2012, 2:10PM Cyclic Decompositions of Affine Permutations MSB 2112 Algebra & Discrete Mathematics Yuriy Zinchenko, University of Calgary Tue, May 29 2012, 2:10PM Polytopes and Arrangements : Diameter and Curvature MSB 2112 Algebra & Discrete Mathematics Brendon Rhoades, University of Southern California Tue, May 22 2012, 2:10PM Parking Spaces MSB 2112 Algebra & Discrete Mathematics Ben Braun, University of Kentucky Tue, May 15 2012, 2:10PM Euler-Mahonian Statistics via Polyhedral Geometry MSB 2112 Algebra & Discrete Mathematics Matt Baker, UC Berkeley Tue, May 8 2012, 2:10PM Linear series on metrized complexes of algebraic curves MSB 2112 Algebra & Discrete Mathematics Motohico Mulase, UC Davis Tue, May 1 2012, 2:10PM Higher genus Catalan numbers and the Eynard-Orantin recursion MSB 2112 Algebra & Discrete Mathematics Jessica Striker Tue, Apr 24 2012, 2:10PM Promotion and Rowmotion MSB 2112 Algebra & Discrete Mathematics Zafeirakis Zafeirakopoulos, RISC Tue, Apr 17 2012, 2:10PM Partition Analysis and its Polyhedral Geometry MSB 2112 Algebra & Discrete Mathematics Luke Oeding, UC Berkeley Tue, Apr 10 2012, 2:10PM Hyperdeterminants of polynomials MSB 0 Algebra & Discrete Mathematics Anton Khoroshkin, Stony Brook Tue, Apr 3 2012, 4:10PM Inclusion-exclusion principle in homological algebra MSB 1147 Algebra & Discrete Mathematics Felix Breuer, San Francisco State University Thu, Mar 22 2012, 3:10PM Hypergraph Coloring Complexes and the Ehrhart f*-vector MSB 1147 Algebra & Discrete Mathematics Jian Ding, Stanford University and MSRI Thu, Mar 15 2012, 3:10PM Scaling window for mean-field percolation of averages BAINER 1130 Algebra & Discrete Mathematics June Huh, University of Michigan Mon, Mar 12 2012, 4:10PM Do we have Hodge index theorem in tropical geometry? MSB 1147 Algebra & Discrete Mathematics Dorit Hochbaum, University of California, Berkeley Thu, Mar 8 2012, 3:10PM Combinatorial algorithms for the Markov Random Fields problem and implications for ranking, clustering, group decision making and image segmentation MSB 1147 Algebra & Discrete Mathematics Ilan Adler, University of California, Berkeley Thu, Mar 1 2012, 3:10PM The equivalence of linear programs and zero-sum games MSB 1147 Algebra & Discrete Mathematics Federico Ardila, San Francisco State University Thu, Feb 23 2012, 3:10PM Lifted generalized permutohedra and composition polynomials MSB 2112 Algebra & Discrete Mathematics Ryan Reich, UCLA Thu, Feb 16 2012, 3:10PM The dual group for a twisted Satake equivalence, and quadratic forms from gerbes MSB 1147 Algebra & Discrete Mathematics Inka Klostermann, Mathematisches Institut, Universität zu Köln Thu, Feb 9 2012, 3:10PM Generalization of the Macdonald formula for Hall-Littlewood polynomials MSB 1147 Algebra & Discrete Mathematics Christopher Manon, University of California, Berkeley Thu, Feb 2 2012, 3:10PM The combinatorial commutative algebra of conformal blocks MSB 1147 Algebra & Discrete Mathematics Matthias Beck, San Francisco State University Thu, Jan 26 2012, 3:10PM Enumeration of Golomb Rulers and Acyclic Orientations of Mixed Graphs MSB 1147 Algebra & Discrete Mathematics Dan Gusfield, UC Davis Thu, Jan 19 2012, 3:10PM The ARG-decomposition theorem and a NASC for full MinARG decomposition. MSB 2112 Algebra & Discrete Mathematics Vidya Venkateswaran, Cal Tech Fri, Dec 2 2011, 2:10PM Vanishing integrals for Hall-Littlewood polynomials MSB 1147 Algebra & Discrete Mathematics Cesar Ceballos, FU Berlin Mon, Nov 28 2011, 2:10PM Subword complexes, cluster complexes, and generalized multi-associahedra MSB 2112 Algebra & Discrete Mathematics Jonathan Browder, University of Washington Fri, Nov 18 2011, 2:10PM Face Numbers of Cohen-Macaulay Complexes MSB 2112 Algebra & Discrete Mathematics Felipe Rincon, UC Berkeley Fri, Nov 4 2011, 2:10PM Computing tropical linear spaces and A-discriminants MSB 2112 Algebra & Discrete Mathematics Daniel Dadush, Georgia Tech Fri, Oct 28 2011, 2:10PM Enumerative Lattice Algorithms in Any Norm via M-Ellipsoid Coverings MSB 2112 Algebra & Discrete Mathematics Charles Young, University of York Fri, Oct 21 2011, 2:10PM Extended T-systems MSB 2112 Algebra & Discrete Mathematics Paco Santos, University of Cantabria Fri, Oct 14 2011, 2:10PM Hirsch Wars Episode 3: Revenge of the Sphere Maps (and A New Hope?) MSB 2112 Algebra & Discrete Mathematics Paco Santos, University of Cantabria Thu, Oct 13 2011, 3:10PM Hirsch Wars Episode 2: Attack of the Prismatoids MSB 2112 Algebra & Discrete Mathematics Paco Santos, University of Cantabria Thu, Oct 13 2011, 11:00AM Hirsch Wars Episode 1: The Phantom Conjecture MSB 2112 Algebra & Discrete Mathematics Monica Vazirani, UC Davis Fri, Oct 7 2011, 2:10PM Hecke algebra deformations of Coxter group actions MSB 2112 Algebra & Discrete Mathematics Greg Kuperberg, UC Davis Fri, Sep 30 2011, 2:10PM Buildings, spiders, and geometric Satake MSB 2112 Algebra & Discrete Mathematics Prof. Michael Joswig, Technical Univ. Darmstadt Germany Fri, Sep 2 2011, 12:00PM Highly Symmetric Integer Linear Programs MSB 2212 Algebra & Discrete Mathematics Thomas Dueholm Hansen, Aarhus University Thu, Jun 2 2011, 4:10PM Subexponential lower bounds for randomized pivoting rules for the simplex algorithm MSB 2212 Algebra & Discrete Mathematics Mohamed Omar, UC Davis Thu, May 26 2011, 4:10PM Applications of Convex and Algebraic Geometry to Graphs & Polytopes MSB 2212 Algebra & Discrete Mathematics Bernardo Abrego, CSU Northridge Thu, May 19 2011, 4:10PM On crossings, k-edges, and at most k-sets of generalized configurations of points. MSB 0 Algebra & Discrete Mathematics Igor Pak, UCLA Thu, May 12 2011, 4:10PM CANCELED MSB 2112 Algebra & Discrete Mathematics Par Kurlberg, KTH / MSRI Thu, May 12 2011, 4:10PM CANCELED MSB 2112 Algebra & Discrete Mathematics Raman Sanyal, UC Berkeley Thu, May 5 2011, 4:10PM Deciding polyhedrality of spectrahedra MSB 2112 Algebra & Discrete Mathematics Motohico Mulase, UC Davis Thu, Apr 28 2011, 4:10PM Counting lattice points in the moduli space of algebraic curves MSB 2212 Algebra & Discrete Mathematics Nayantara Bhatnagar, UC Berkeley Thu, Apr 21 2011, 4:10PM The Lipschitz constant of the RSK correspondence MSB 2212 Algebra & Discrete Mathematics Tristram Bogart, SFSU Thu, Apr 14 2011, 4:10PM Obstructions to Relative Tropical Lifting MSB 2112 Algebra & Discrete Mathematics Sarah Drewes, TU Darmstadt / UC Berkeley Thu, Apr 7 2011, 4:10PM Exploiting structure in outer approximation based approaches for SOCP MSB 2212 Algebra & Discrete Mathematics Alex Fink, North Carolina State University Thu, Mar 31 2011, 4:10PM Valuative matroid invariants and the Grassmannian MSB 1147 Algebra & Discrete Mathematics Andrew Crites, University of Washinton Fri, Mar 4 2011, 2:10PM Affine permutations and pattern avoidance MSB 1147 Algebra & Discrete Mathematics Patricia Hersh, North Carolina State University Thu, Mar 3 2011, 2:10PM The "q=-1" phenomenon via homology concentration MSB 0 Algebra & Discrete Mathematics Ilan Adler, University of California, Berkeley Tue, Mar 1 2011, 3:10PM TBD MSB 1147 Algebra & Discrete Mathematics Jacob White, MSRI Fri, Feb 25 2011, 2:10PM k-parabolic subspace arrangements and discrete morse theory MSB 1147 Algebra & Discrete Mathematics Arvind Ayyer, UC Davis Fri, Feb 11 2011, 2:10PM Pattern Avoidance and Monotone Triangles MSB 1147 Algebra & Discrete Mathematics Anton Dochtermann, Stanford Fri, Feb 4 2011, 2:10PM Cellular resolutions of cycles, associahedra, and standard Young tableau MSB 1147 Algebra & Discrete Mathematics Chris Manon, UC Berkeley Fri, Jan 28 2011, 2:10PM Tropical geometry and the representation theory of SLn(C) MSB 1147 Algebra & Discrete Mathematics Matthias Mnich, International Computer Science Institute Fri, Jan 21 2011, 2:10PM All Ternary Permutation Constraint Satisfaction Problems Parameterized Above Average Have Kernels with Quadratic Numbers of Variables MSB 0 Algebra & Discrete Mathematics Dan Gusfield, UC Davis Wed, Jan 19 2011, 3:10PM TBD MSB 1147 Algebra & Discrete Mathematics Klavdija Kutnar Fri, Jan 14 2011, 2:10PM Hamilton cycle and paths in vertex-transitive graphs MSB 1147 Algebra & Discrete Mathematics Victor Reiner, University of Minnesota Fri, Jan 7 2011, 2:10PM P-partitions revisited MSB 2112 Algebra & Discrete Mathematics Arkady Berenstein, University of Oregon Thu, Dec 9 2010, 4:10PM Littlewood-Richardson coefficients for reflection groups MSB 1147 Algebra & Discrete Mathematics Jae-Hoon Kwon, University of Seoul, Korea Fri, Nov 19 2010, 2:10PM Crystal graph of the modified quantum group of type $A_{+\infty}$ and RSK algorithm MSB 1147 Algebra & Discrete Mathematics Kelli Talaska, UC Berkeley Fri, Nov 12 2010, 2:10PM Trek separation in Gaussian graphical models MSB 1147 Algebra & Discrete Mathematics Jonathan Novak, MSRI/University of Waterloo Fri, Nov 5 2010, 2:10PM Combinatorial prequel to the Baik-Deift-Johansson theorem MSB 1147 Algebra & Discrete Mathematics Amitabh Basu, UC Davis Fri, Oct 29 2010, 2:10PM Maximal Lattice-free Convex Sets and Cutting Planes MSB 1147 Algebra & Discrete Mathematics Steve Klee, UC Davis Fri, Oct 22 2010, 2:10PM Cointerval Complexes and Complexes of Ordered Homomorphisms MSB 0 Algebra & Discrete Mathematics BAD Math Day, MSRI Berkeley Fri, Oct 15 2010, 2:10PM BAD Math Day MSB 1147 Algebra & Discrete Mathematics Rahbar Virk, UC Davis Fri, Oct 8 2010, 2:10PM Higher representation theory of the Hecke algebra MSB 1147 Algebra & Discrete Mathematics Jia Huang, University of Minnesota Fri, Oct 1 2010, 2:10PM 0-Hecke algebra actions on flags and coinvariants MSB 1147 Algebra & Discrete Mathematics Tom Denton, UC Davis Fri, Sep 24 2010, 2:10PM A Combinatorial Formula for Orthogonal Idempotents in the 0-Hecke Algebra of the Symmetric Group MSB 1147 Algebra & Discrete Mathematics Winfried Bruns, Universitaet Osnabrueck Mon, Sep 20 2010, 2:10PM Normaliz: algorithms for rational cones and affine monoids MSB 3232 Algebra & Discrete Mathematics Reiho Sakamoto, Tokyo University Tue, Sep 7 2010, 3:00PM The X=M conjecture/theorem for large rank MSB 1147 Algebra & Discrete Mathematics Chris Hillar, UC Berkeley and MSRI Fri, May 28 2010, 11:00AM Equations solvable by radicals in a uniquely divisible group MSB 1147 Algebra & Discrete Mathematics Eva Curry, Acadia University Mon, May 24 2010, 10:00AM Finding Digit Sets for Multidimensional Radix Representations MSB 1147 Algebra & Discrete Mathematics Bruce Reznick, University of Illinois at Urbana-Champaign Fri, May 21 2010, 11:00AM The secret lives of polynomial identities MSB 1147 Algebra & Discrete Mathematics Dorit Hochbaum, UC Berkeley, IEOR Fri, May 14 2010, 11:00AM Replacing spectral techniques for expander ratio, normalized cut and conductance by combinatorial flow algorithms MSB 1147 Algebra & Discrete Mathematics Einar Steingrimsson, Reykjavik University Fri, May 7 2010, 11:00AM The coloring complex of a graph and the chromatic polynomial MSB 1147 Algebra & Discrete Mathematics Bala Krishnamoorthy, Washington State University Fri, Apr 30 2010, 11:00AM Optimal Homologous Cycles, Total Unimodularity, and Linear Programming MSB 1147 Algebra & Discrete Mathematics Josh Sussan, UC Berkeley Fri, Apr 23 2010, 4:10PM Colored tangle invariants and quantum sl(2) categorification MSB 1147 Algebra & Discrete Mathematics Cynthia Vinzant, UC Berkeley Fri, Apr 16 2010, 11:00AM Faces of the Barvinok-Novik orbitope MSB 2112 Algebra & Discrete Mathematics Melody Chan, UC Berkeley Fri, Apr 9 2010, 11:00AM Ranks of tropical matrices MSB 1147 Algebra & Discrete Mathematics Steve Klee, U Washington Mon, Apr 5 2010, 10:00AM Lower bounds for Buchsbaum* simplicial complexes MSB 1147 Algebra & Discrete Mathematics Tara Holm, Cornell University Fri, Apr 2 2010, 11:00AM Act globally, compute locally: Group actions, fixed points, and localization MSB 1147 Algebra & Discrete Mathematics Reimundo Heluani, UC Berkeley Fri, Mar 5 2010, 1:10PM On quantum sigma models with non-Abelian winding MSB 1147 Algebra & Discrete Mathematics David Jao, University of Waterloo Fri, Feb 26 2010, 1:10PM Evaluating isogenies on elliptic curves in subexponential time MSB 1147 Algebra & Discrete Mathematics Jacob White, MSRI Thu, Feb 25 2010, 2:10PM TBA MSB 1147 Algebra & Discrete Mathematics John Shareshian, Washington University, St. Louis Fri, Feb 19 2010, 1:10PM Eulerian quasisymmetric functions and permutation statistics MSB 1147 Algebra & Discrete Mathematics Kevin Walker, Station Q (Microsoft) Fri, Feb 12 2010, 12:10PM Contact structures and categorification of Temperley-Lieb at [2] = q + q^-1 = 0 (note the special time change: NOON) MSB 1147 Algebra & Discrete Mathematics Sabin Cautis, Columbia University Fri, Feb 5 2010, 1:10PM Categorical sl(2) actions MSB 1147 Algebra & Discrete Mathematics Tim Riley, Cornell Fri, Jan 22 2010, 1:10PM Hydra Groups Moscone Cent 0 Algebra & Discrete Mathematics no seminar Fri, Jan 15 2010, 1:10PM joint meetings in SF are recommended MSB 1147 Algebra & Discrete Mathematics Peter Tingley, MIT Fri, Jan 8 2010, 1:10PM Universal Verma modules and the Misra-Miwa Fock space MSB 2112 Algebra & Discrete Mathematics Alexander Fink, UC Berkeley Fri, Dec 4 2009, 4:10PM Universality for valuations of (poly)matroid polytope decompositions MSB 2112 Algebra & Discrete Mathematics Benjamin Nill, MSRI Fri, Nov 20 2009, 4:10PM 'Hollow' Lattice Polytopes MSB 2112 Algebra & Discrete Mathematics Alicia Dickenstein, Universidad de Buenos Aires and MSRI Fri, Nov 13 2009, 4:10PM Tropicalisation of rational varieties MSB 2112 Algebra & Discrete Mathematics Alexander Engstrom, UC Berkeley Fri, Nov 6 2009, 4:10PM Graph theoretic methods in Algebraic Statistics MSB 2112 Algebra & Discrete Mathematics Thomas Bliem, San Francisco State University Fri, Oct 30 2009, 4:10PM Polyhedral Models of Representations MSB 2112 Algebra & Discrete Mathematics Virginia Vassilevska Williams, UC Berkeley Fri, Oct 16 2009, 4:10PM All pairs path problems, matrix products and triangles in graphs MSB 2112 Algebra & Discrete Mathematics Alan Stapledon, MSRI Fri, Oct 9 2009, 4:10PM Weighted Ehrhart theory MSB 2112 Algebra & Discrete Mathematics Andrew Berget, UC Davis Fri, Oct 2 2009, 4:10PM Representations Generated by Decomposable Tensors MSB 2112 Algebra & Discrete Mathematics Lauren Williams, UC Berkeley Fri, Sep 25 2009, 4:10PM Positivity for cluster algebras from surfaces MSB 2112 Algebra & Discrete Mathematics Matthias Beck, San Francisco State University Fri, Jun 5 2009, 2:10PM Growth Series of Cyclotomic and Root Lattices MSB 2112 Algebra & Discrete Mathematics Nicolas M. Thiéry, Université Paris Fri, Jun 5 2009, 1:10PM Sorting monoids and algebras on Coxeter groups MSB 2112 Algebra & Discrete Mathematics Raman Sanyal, UC Berkeley Fri, May 22 2009, 1:10PM On some orbitopes of SO(d) MSB 2112 Algebra & Discrete Mathematics Aaron Lauda, Columbia University Wed, May 20 2009, 1:10PM Categorifying quantum sl2 MSB 2112 Algebra & Discrete Mathematics Linda Chen, Swarthmore College Fri, May 15 2009, 1:10PM Universal Schubert polynomials in Geometry MSB 3240 Algebra & Discrete Mathematics Christopher Hanusa, Queens College Tue, May 12 2009, 2:10PM A quasi-polynomial q-Queens result and related Kronecker products of matrices MSB 2112 Algebra & Discrete Mathematics Hugh Thomas, University of New Brunswick Fri, May 8 2009, 1:10PM Cyclic polytopes, analogues of tropical cluster algebras, and higher Auslander algebras MSB 2112 Algebra & Discrete Mathematics Karola Meszaros, MIT Fri, Apr 24 2009, 1:10PM Triangulations of root polytopes and subdivision algebras MSB 2112 Algebra & Discrete Mathematics Jon Lee, IBM Research Thu, Apr 23 2009, 2:10PM Recent progress in matroid optimization MSB 2112 Algebra & Discrete Mathematics Dmitry Fuchs, UC Davis Fri, Apr 17 2009, 1:10PM Lie Algebra Cohomology and Laplace Operators MSB 2112 Algebra & Discrete Mathematics Qiang Wang, UC Davis, Mathematics Fri, Apr 10 2009, 1:10PM Promotion operator on rigged configurations of type A MSB 1147 Algebra & Discrete Mathematics BADMath Day, UC Davis Sat, Apr 4 2009, 10:00AM BADMath Day at UC Davis MSB 2112 Algebra & Discrete Mathematics Oleg Musin, University of Texas at Brownsville, Dept. of Mathematics Fri, Mar 20 2009, 2:10PM Linear and semidefinite programming in distance geometry MSB 3106 Algebra & Discrete Mathematics Jeffrey Doker, UC Berkeley Fri, Mar 13 2009, 2:10PM Volumes of matroid polytopes MSB 2112 Algebra & Discrete Mathematics Nathan Reading, North Carolina State University Fri, Mar 6 2009, 2:10PM Noncrossing partitions and the shard intersection order MSB 2112 Algebra & Discrete Mathematics Daniel Bump, Stanford University, Mathematics Thu, Feb 26 2009, 2:10PM Interpreting p-adic integrals as sums over crystal graphs MSB 2112 Algebra & Discrete Mathematics Bernd Sturmfels, UC Berkeley, Mathematics Fri, Feb 20 2009, 2:10PM Powers of Linear Forms MSB 2112 Algebra & Discrete Mathematics Samit Dasgupta, UC Santa Cruz, Mathematics Fri, Feb 13 2009, 2:10PM Hilbert Modular Forms and the Gross--Stark Conjecture MSB 2112 Algebra & Discrete Mathematics Diane Maclagan, Rutgers/Warwick/MSRI Fri, Feb 6 2009, 2:10PM Polyhedral bounds on nef cones MSB 2112 Algebra & Discrete Mathematics Lek-Heng Lim, UC Berkeley Thu, Jan 29 2009, 2:10PM Symmetric eigenvalue decompositions for symmetric tensors MSB 2112 Algebra & Discrete Mathematics Elizabeth Townsend Beazley, University of Chicago Fri, Jan 23 2009, 2:10PM Non-Emptiness of Affine Deligne-Lusztig Varieties MSB 2112 Algebra & Discrete Mathematics Federico Ardila, San Francisco State University Fri, Jan 16 2009, 2:10PM Combinatorics and geometry of power ideals MSB 2112 Algebra & Discrete Mathematics Arkady Berenstein, University of Oregon Fri, Dec 12 2008, 2:10PM Quantum Hankel algebras, clusters, and canonical bases MSB 2112 Algebra & Discrete Mathematics Helene Barcelo, MSRI Fri, Dec 5 2008, 2:10PM Discrete Homotopy and subspace arrangements MSB 2112 Algebra & Discrete Mathematics Jonah Blasiak, UC Berkeley Fri, Nov 21 2008, 2:10PM Cyclage, catabolism, and the affine Hecke algebra MSB 2112 Algebra & Discrete Mathematics Fumei Lam, UC Davis Fri, Nov 14 2008, 2:10PM Triangulating colored graphs and generalizing the four gamete test MSB 2112 Algebra & Discrete Mathematics Christopher Hillar, MSRI Fri, Nov 7 2008, 2:10PM Finiteness Theorems in Polynomial Rings with an Infinite Number of Variables MSB 2112 Algebra & Discrete Mathematics Joao Gouveia, University of Washington Fri, Oct 31 2008, 2:10PM From the stable set problem to convex algebraic geometry MSB 2112 Algebra & Discrete Mathematics Nina Amenta, UC Davis Fri, Oct 24 2008, 2:10PM Complexity of the Delaunay triangulation in Higher-Dimensional Space MSB 2112 Algebra & Discrete Mathematics Luis Rademacher, Georgia Institute of Technology Fri, Oct 17 2008, 2:10PM Expanders via Random Spanning Trees MSB 2112 Algebra & Discrete Mathematics David Hill, UC Berkeley Fri, Oct 3 2008, 2:10PM Shifted Skew Shapes and Tame Representations of Affine Hecke-Clifford Superalgebras 0 Algebra & Discrete Mathematics BADMath Day, Stanford University Sat, Sep 27 2008, 10:00AM BADMath Day at Stanford in Palo Alto CA MSB 1147 Algebra & Discrete Mathematics Jason Starr, Stony Brook University Thu, Jul 3 2008, 3:10PM Hilbert schemes of orbifold surfaces and counting problems MSB 1147 Algebra & Discrete Mathematics Melody Chan, Princeton University Fri, May 30 2008, 2:20PM Algebraic methods for choosability in graphs MSB 1147 Algebra & Discrete Mathematics Han Duong, U. Illinois - Urbana-Champaign Fri, May 30 2008, 1:10PM Minimal volume k-point lattice d-simplices MSB 2112 Algebra & Discrete Mathematics Art Duval, U. Texas - El Paso Fri, May 23 2008, 1:10PM Simplicial spanning trees MSB 2112 Algebra & Discrete Mathematics Brendon Rhoades, U. Minnesota Fri, May 16 2008, 1:10PM Cyclic Sieving, Promotion, and Representation Theory MSB 2112 Algebra & Discrete Mathematics Nantel Bergeron, York University Fri, May 9 2008, 1:10PM Combinatorial Hopf algebras and dual graded graphs MSB 2112 Algebra & Discrete Mathematics John Stembridge, U. Michigan Fri, May 2 2008, 1:10PM Coxeter cones and their h-vectors MSB 2112 Algebra & Discrete Mathematics Tom Halverson, Macalester College Fri, Apr 25 2008, 1:10PM Partition Algebras MSB 2112 Algebra & Discrete Mathematics Mauricio Velasco, UC Berkeley Fri, Apr 18 2008, 1:10PM Picard graded Betti numbers and the Cox rings of degree 1 Del Pezzo surfaces MSB 2112 Algebra & Discrete Mathematics Dan Gusfield, UC-Davis (Computer Science) Fri, Apr 11 2008, 1:10PM Combinatorial Optimization Problems from Population Genomics MSB 3106 Algebra & Discrete Mathematics Robert Guralnick, University of Southern California Fri, Mar 21 2008, 2:10PM Generators and relations for finite simple groups MSB 3106 Algebra & Discrete Mathematics Joerg Rambau, U. Bayreuth Fri, Mar 14 2008, 2:10PM The combinatorics of (S, M, L, XL) or the best fitting delivery of T-shirts MSB 3106 Algebra & Discrete Mathematics Yoshiko Ikebe, Tokyo University of Science Wed, Mar 12 2008, 3:10PM On the existence of sports schedules with multiple venues MSB 3106 Algebra & Discrete Mathematics Jesus de Loera, UC Davis Fri, Feb 29 2008, 2:10PM Volumes of polyhedra: familiar but hard-to-get numbers MSB 3106 Algebra & Discrete Mathematics Francisco Santos, UC-Davis/U. Cantabria Fri, Feb 1 2008, 2:10PM Graphs of Triangulations MSB 3106 Algebra & Discrete Mathematics Michael Zieve, Rutgers University Fri, Jan 11 2008, 2:10PM Rational maps between curves: injectivity, surjectivity, decomposition, and iteration MSB 1147 Algebra & Discrete Mathematics Anthony Licata, Stanford University Mon, Dec 3 2007, 4:10PM Symplectic Duality in Geometric Representation Theory MSB 1147 Algebra & Discrete Mathematics Peter Malkin, UC Davis Mon, Nov 26 2007, 4:10PM Markov bases and Groebner bases of lattices MSB 1147 Algebra & Discrete Mathematics Emanuele Delucchi, MSRI Mon, Nov 19 2007, 4:10PM Hyperplane arrangements "cut to the bone". MSB 1147 Algebra & Discrete Mathematics Matjaz Konvalinka, M.I.T. Mon, Nov 5 2007, 4:10PM Non-commutative extensions of the MacMahon master theorem MSB 1147 Algebra & Discrete Mathematics Sven Hermann, Technische Universität Darmstadt Mon, Oct 29 2007, 4:10PM Splits: Simple Subdivisions of Convex Polytopes MSB 1147 Algebra & Discrete Mathematics Nicolas M. Thiéry and Marie-Claude David, Université Paris Sud / UC Davis and Université Paris Mon, Oct 22 2007, 4:10PM Unraveling concrete examples of Kac algebras Googleplex 0 Algebra & Discrete Mathematics BADMath Day, Google Sat, Oct 20 2007, 10:00AM BADMath Day at Google in Mountain View CA MSB 1147 Algebra & Discrete Mathematics Brant Jones, UC Davis Mon, Oct 15 2007, 4:10PM Deodhar's framework for Kazhdan-Lusztig polynomials MSB 1147 Algebra & Discrete Mathematics Matthias Koeppe, Universitaet Magdeburg / UC Davis Mon, Oct 8 2007, 4:10PM The computation of Ehrhart polynomials of matroid polytopes MSB 1147 Algebra & Discrete Mathematics Jason Bandlow, UC Davis Mon, Oct 1 2007, 4:10PM The quasiinvariants of the symmetric group MSB 1147 Algebra & Discrete Mathematics Nicolas Thiery, UC Davis/Orsay Fri, Sep 21 2007, 10:00AM MuPAD-Combinat Demo MSB 1147 Algebra & Discrete Mathematics Matthias Koeppe, Otto-von-Guericke-Universität Magdeburg Fri, Jun 1 2007, 3:10PM New variants of Barvinok's algorithm for computing the Ehrhart series of rational polytopes MSB 1147 Algebra & Discrete Mathematics Jesús De Loera, UC Davis Fri, May 25 2007, 3:10PM Expressing Combinatorial Optimization Problems by Polynomial Equations and the Hilbert Nullstellensatz MSB 1147 Algebra & Discrete Mathematics Ilya Shapiro, UC Davis Fri, May 18 2007, 3:10PM BRST reduction of the chiral Hecke algebra 0 Algebra & Discrete Mathematics Workshop on Representation Theory and Geometry, UC Berkeley Wed, May 9 2007, 9:00AM May 9-11, 2007 MSB 1147 Algebra & Discrete Mathematics Valerio Toledano Laredo, Northeastern University Fri, May 4 2007, 3:10PM Gaudin models with irregular singularities MSB 1147 Algebra & Discrete Mathematics Gregg Musiker, UC San Diego Fri, Apr 27 2007, 3:10PM Combinatorics of Elliptic Curves and Chip-Firing Games MSB 1147 Algebra & Discrete Mathematics Nat Thiem, Stanford University Fri, Apr 20 2007, 3:10PM Approximating combinatorial representation theory 0 Algebra & Discrete Mathematics BADMATH DAY, San Francisco State University Sat, Apr 14 2007, 10:00AM Bay area Discrete math day. MSB 1147 Algebra & Discrete Mathematics Tyrrell B. McAllister, Eindhoven University of Technology Thu, Apr 5 2007, 12:10PM Gelfand--Tsetlin polytopes and toric degenerations of the invariants of n points in the projective plane. MSB 1147 Algebra & Discrete Mathematics Chris Hillar, Texas A & M Fri, Mar 2 2007, 1:10PM Algebraic Characterization of Uniquely Colorizable Graphs MSB 1147 Algebra & Discrete Mathematics Noah Snyder, UC-Berkeley Thu, Feb 22 2007, 3:10PM Braidings for Quantum Groups at Roots of 1 MSB 1147 Algebra & Discrete Mathematics Anne Shiu, UC-Berkeley Thu, Feb 15 2007, 3:10PM Geometry of Rank Tests MSB 1147 Algebra & Discrete Mathematics Peter Tingley, UC-Berkeley Thu, Feb 8 2007, 3:10PM Three combinatorial models for $\widehat{sl}_n$ crystals, with applications to cylindric plane partitions MSB 1147 Algebra & Discrete Mathematics Jason Bandlow, UCSD Thu, Feb 1 2007, 3:10PM A new proof of the hook formula MSB 1147 Algebra & Discrete Mathematics Rajeev Walia, Michigan State U. Thu, Jan 25 2007, 3:10PM Tensor factorization and Spin construction for affine Lie algebras MSB 1147 Algebra & Discrete Mathematics John Millson, U. Maryland Thu, Jan 18 2007, 3:10PM The ring of projective invariants of n points on the line MSB 1147 Algebra & Discrete Mathematics Sam Payne, Stanford Fri, Dec 8 2006, 12:10PM Ehrhart series and lattice triangulations MSB 1147 Algebra & Discrete Mathematics Sarah Mason, UC-Berkeley Fri, Dec 1 2006, 12:10PM The role of compositions in symmetric function theory MSB 1147 Algebra & Discrete Mathematics Eva Maria Feichtner, Stuttgart and MSRI Mon, Nov 27 2006, 12:10PM Tropical Discriminants 0 Algebra & Discrete Mathematics Cancelled due to unexpected conflict - rescheduling in progress Fri, Nov 17 2006, 12:10PM MSB 1147 Algebra & Discrete Mathematics Tristram Bogart, U. Washington Wed, Nov 15 2006, 12:10PM The Small Chv{\'a}tal Rank of an Integer Matrix MSB 1147 Algebra & Discrete Mathematics Dmitry Kozlov, ETH Zurich, U. Bremen and MSRI Fri, Nov 3 2006, 12:10PM Chromatic numbers, morphism complexes, and Stiefel-Whitney characteristic classes MSB 1147 Algebra & Discrete Mathematics Sami Assaf, UC-Berkeley Fri, Oct 27 2006, 12:10PM Dual equivalence graphs, ribbon tableaux and Macdonald polynomials. MSRI 0 Algebra & Discrete Mathematics Conference at MSRI Sat, Oct 21 2006, 12:00AM Bay Area Discrete Math Day MSB 1147 Algebra & Discrete Mathematics Alexander Woo, UC-Davis Fri, Oct 20 2006, 12:10PM Partition arrangements and Springer fibers MSB 1147 Algebra & Discrete Mathematics Reiho Sakamoto, Universito of Tokyo Fri, Oct 6 2006, 12:10PM Jack symmetric functions and representations of the Virasoro algebra MSB 1147 Algebra & Discrete Mathematics Michael Joswig, TU Darmstadt and MSRI Fri, Sep 29 2006, 12:10PM Computing optimal discrete Morse functions MSB 1147 Algebra & Discrete Mathematics Dmitry Fuchs, UC Davis Thu, Jun 1 2006, 12:10PM Representations of the Virasoro algebra MSB 1147 Algebra & Discrete Mathematics Peter Huggins, UC Berkeley Thu, May 25 2006, 12:10PM Hyperdeterminants and Triangulations of the 4-cube MSB 1147 Algebra & Discrete Mathematics Fokko van de Bult, University of Amsterdam Thu, May 18 2006, 12:10PM The modular double of a quantum group and hyperbolic hypergeometric integrals MSB 1147 Algebra & Discrete Mathematics Viswanath Sankaran, UC Davis Thu, May 11 2006, 12:10PM Growth types of Coxeter groups and their quotients MSB 1147 Algebra & Discrete Mathematics David Haws, UC Davis Thu, May 4 2006, 12:10PM The minimum-weight triangulation problem MSB 1147 Algebra & Discrete Mathematics Christian Blohmann, UC Berkeley Thu, Apr 27 2006, 12:10PM Hopfish structure and tensor representations of the quantum torus algebra MSB 1147 Algebra & Discrete Mathematics Valerio Toledano Laredo, Université Paris VI Thu, Apr 20 2006, 12:10PM Quasi-Coxeter algebras, Dynkin diagram cohomology and quantum Weyl groups Bldg. 43 0 Algebra & Discrete Mathematics Conference (Saturday), Googleplex in Mountain View Sat, Apr 15 2006, 10:00AM Bay Area Discrete Mathematics Day MSB 1147 Algebra & Discrete Mathematics Ghislain Fourier, Universität zu Köln Thu, Apr 13 2006, 12:10PM Finite dimensional modules for current algebras MSB 2112 Algebra & Discrete Mathematics Philip Sternberg, UC Davis Thu, Apr 6 2006, 12:10PM On the local structure of doubly laced crystals MSB 1147 Algebra & Discrete Mathematics Isaiah Lankham, UC Davis Thu, Mar 30 2006, 12:10PM Patience Sorting and Barred Permutation Patterns MSB 1147 Algebra & Discrete Mathematics Nicholas Nguyen, UC Davis Thu, Mar 9 2006, 12:10PM Face numbers and worst case behavior in linear programming MSB 1147 Algebra & Discrete Mathematics Ellen Veomett, University of Michigan Thu, Mar 2 2006, 12:10PM A Positive Semidefinite Approximation of the Traveling Salesman Polytope MSB 1147 Algebra & Discrete Mathematics Tyrrell McAllister, UC Davis Thu, Feb 23 2006, 12:10PM Representation theory, polyhedral geometry, and a conjectured generalization of the saturation theorem MSB 1147 Algebra & Discrete Mathematics Tathagata Basak, UC Berkeley Thu, Feb 16 2006, 12:10PM Coxeter Diagram'' for a complex hyperbolic reflection group and the bimonster MSB 1147 Algebra & Discrete Mathematics Dorothy Moorefield, SFSU Thu, Feb 9 2006, 12:10PM Partition Analysis and Ehrhart Theory MSB 1147 Algebra & Discrete Mathematics Josephine Yu, UC Berkeley Thu, Feb 2 2006, 12:10PM Non-Archimedean Polytopes and Cellular Resolutions MSB 1147 Algebra & Discrete Mathematics Brian Rothbach, UC Berkeley Thu, Jan 26 2006, 12:10PM A scheme related to the Brauer loop model MSB 1147 Algebra & Discrete Mathematics Beth Samuels, UC Berkeley Thu, Jan 19 2006, 12:10PM Division Algebras and Non-Commensurable Isospectral Manifolds MSB 1147 Algebra & Discrete Mathematics Jennifer Morse, University of Miami Thu, Jan 12 2006, 12:10PM k-Schur functions, Macdonald polynomials, and quantum cohomology MSB 1147 Algebra & Discrete Mathematics Fu Liu, MIT Thu, Jan 5 2006, 12:10PM Ehrhart polynomials of lattice-face polytopes Kerr 693 Algebra & Discrete Mathematics Wim van Dam, UC Santa Barbara Fri, Dec 9 2005, 1:10PM Quantum computing, zeroes of zeta functions, and approximate counting Kerr 693 Algebra & Discrete Mathematics Hiro-Fumi Yamada, Okayama University and UC Davis Fri, Dec 2 2005, 1:10PM Expanding 2-reduced Schur functions in terms of Q-functions Kerr 693 Algebra & Discrete Mathematics Eric Rains, UC Davis Fri, Nov 18 2005, 1:10PM Quantum codes, and where to find them Kerr 693 Algebra & Discrete Mathematics Greg Kuperberg, UC Davis Fri, Nov 4 2005, 1:10PM A quantum algorithm for the dihedral hidden subgroup problem Kerr 693 Algebra & Discrete Mathematics Oleg R. Musin, Moscow State University Fri, Oct 28 2005, 1:10PM The kissing problem in three and four dimensions Wellman 216 Algebra & Discrete Mathematics Bay Area Discrete Math Day, UC Davis Sat, Oct 22 2005, 10:00AM Bay Area Discrete Math Day Kerr 693 Algebra & Discrete Mathematics Alexander Woo, UC Davis Fri, Oct 21 2005, 1:10PM Garnir modules, their free resolutions, and Hall-Littlewood polynomials Kerr 693 Algebra & Discrete Mathematics John Paul Steinberger, UC Davis Fri, Oct 14 2005, 1:10PM Periodicities of tilings of the integers Kerr 693 Algebra & Discrete Mathematics Jesus De Loera, UC Davis Fri, Oct 7 2005, 1:10PM Transportation polytopes: a twenty-year update Kerr 693 Algebra & Discrete Mathematics Zeph Landau, CCNY Fri, Sep 30 2005, 1:10PM Quantum computation and the Jones polynomial Kerr 693 Algebra & Discrete Mathematics Joseph Gubeladze, San Francisco State University Mon, Jun 6 2005, 3:10PM The nilpotence conjecture in K-theory of toric varieties Kerr 0 Algebra & Discrete Mathematics Nose Minar, Today Mon, May 23 2005, 3:10PM Workshop on Representation Theory and Geometry 2005 Kerr 693 Algebra & Discrete Mathematics Thomas Roby, CSU East Bay Mon, May 16 2005, 3:10PM A pictorial presentation of Berele's insertion algorithm for symplectic tableaux via local rules Kerr 693 Algebra & Discrete Mathematics Monica Vazirani, U C Davis Mon, May 9 2005, 3:10PM An observation on crystal graphs Kerr 693 Algebra & Discrete Mathematics Sami Assaf, U C Berkeley Mon, May 2 2005, 3:10PM A Bijective Correspondence for Ribbon Tableaux Kerr 693 Algebra & Discrete Mathematics Gus Wiseman, UC Davis Mon, Apr 25 2005, 3:10PM Set maps, umbral calculus, and the chromatic polynomial Kerr 693 Algebra & Discrete Mathematics Kevin Woods, U C Berkeley Mon, Apr 18 2005, 3:10PM Counting with generating functions Kerr 693 Algebra & Discrete Mathematics Isaiah Lankham, U C Davis Mon, Apr 11 2005, 3:10PM Combinatorics of the Patience Sorting Algorithm Kerr 693 Algebra & Discrete Mathematics Serkan Hosten, San Francisco State University Mon, Apr 4 2005, 3:10PM From nice ideals to nice initial complexes Kerr 693 Algebra & Discrete Mathematics Elizabeth Wilmer, Oberlin and MSRI Fri, Mar 11 2005, 12:10PM Reversals and transpositions over finite alphabets Kerr 693 Algebra & Discrete Mathematics John Steinberger, UC Davis Fri, Mar 4 2005, 12:10PM On the entry sum of cyclotomic arrays Kerr 693 Algebra & Discrete Mathematics Rebecca Field, UC Santa Cruz Fri, Feb 25 2005, 3:10PM Topology and geometry of the classical groups Kerr 693 Algebra & Discrete Mathematics John Millson, UMD Thu, Feb 24 2005, 3:10PM Generalized Kostant convexity theorems, the constant term map on Kerr 693 Algebra & Discrete Mathematics Matthias Beck, San Francisco State University Fri, Feb 18 2005, 12:10PM Inside-out polytopes and a tale of seven polynomials Kerr 693 Algebra & Discrete Mathematics Tomoki Nakanishi, Nagoya University Fri, Feb 11 2005, 12:10PM Paths, Tableaux, and q-characters of quantum affine algebras Kerr 693 Algebra & Discrete Mathematics Persi Diaconis, Stanford Fri, Feb 4 2005, 12:10PM Chromatic Polynomials and the Birthday Problem Kerr 693 Algebra & Discrete Mathematics Alexander Woo, UC Berkeley Fri, Jan 28 2005, 12:10PM Which Schubert varieties are Gorenstein? Kerr 693 Algebra & Discrete Mathematics Mark Haiman, UC Berkeley Fri, Jan 21 2005, 12:10PM A combinatorial formula for Macdonald polynomials Kerr 693 Algebra & Discrete Mathematics Sankaran Viswanath, UC Davis Fri, Jan 14 2005, 12:10PM Kac-Moody algebras of Indefinite type and tensor product stabilization Kerr 693 Algebra & Discrete Mathematics Boris Rubinstein, UC Davis Restricted partition as Bernoulli polynomials of higher order Kerr 693 Algebra & Discrete Mathematics Nat Thiem, Stanford University tba Kerr 693 Algebra & Discrete Mathematics Michael Kapovich, UC Davis Fri, Dec 10 2004, 12:10PM A generalization of the saturation theorem Kerr 693 Algebra & Discrete Mathematics Aaron Abrams, Emory University Fri, Dec 3 2004, 12:10PM Talkin' 'bout my generation Kerr 693 Algebra & Discrete Mathematics Helene Barcelo, Arizona State University Fri, Nov 19 2004, 12:10PM A discrete Homotopy Theory for Graphs and its Relation to Subspace Arrangements Kerr 693 Algebra & Discrete Mathematics Sara Billey, University of Washington Fri, Nov 12 2004, 12:10PM Intersections of Schubert varieties using Permutation Arrays Kerr 693 Algebra & Discrete Mathematics Alex Postnikov, MIT Fri, Nov 5 2004, 12:10PM Simple combinatorial model for crystals for Kac-Moody algebras Kerr 693 Algebra & Discrete Mathematics Nicole Lemire, University of Western Ontario Fri, Oct 29 2004, 12:10PM Cayley Groups Kerr 693 Algebra & Discrete Mathematics Hiroaki Terao, Tokyo Metropolitan University Fri, Oct 22 2004, 12:10PM Free arrangements of hyperplanes Kerr 693 Algebra & Discrete Mathematics Patricia Hersh, Indiana University Fri, Oct 15 2004, 12:10PM Semi-group rings, resolutions and homology of monoids Kerr 693 Algebra & Discrete Mathematics Anne Schilling, UC Davis Fri, Oct 8 2004, 12:10PM X=M for symmetric powers Kerr 693 Algebra & Discrete Mathematics Sergi Elizalde, MSRI Fri, Oct 1 2004, 12:10PM Refined enumeration of pattern-avoiding permutations Kerr 593 Algebra & Discrete Mathematics Mikhail Khovanov, UC Davis Fri, Jun 4 2004, 4:10PM Matrix factorizations and link homology. Kerr 593 Algebra & Discrete Mathematics Mark Shimozono, Virginia Tech Fri, Jun 4 2004, 1:10PM Quiver polynomials via Grobner deformation Kerr 593 Algebra & Discrete Mathematics Frank Sottile, Clay Mathematical Institute, MSRI, and Texas A&M University Fri, May 28 2004, 4:10PM Lower bounds for real polynomial systems from sign-imbalanced posets. Kerr 593 Algebra & Discrete Mathematics Greg Blekherman, University of Michigan Fri, May 21 2004, 4:10PM Convex Geometry of Orbits Kerr 593 Algebra & Discrete Mathematics Joel Kamnitzer, UC Berkeley Fri, May 7 2004, 4:10PM Crystals, coboundary categories, and the moduli space of points on RP1. Kerr 593 Algebra & Discrete Mathematics Roman Vershynin, UC Davis Fri, Apr 30 2004, 4:10PM Combinatorics of Random Processes Kerr 593 Algebra & Discrete Mathematics Ravi Vakil, Stanford University Fri, Apr 23 2004, 4:10PM A geometric Littlewood-Richardson rule Kerr 593 Algebra & Discrete Mathematics Fumei Lam, MIT Fri, Apr 16 2004, 4:10PM Traveling Salesman Path Perfect Graphs Kerr 593 Algebra & Discrete Mathematics Thomas Strohmer, UC Davis Fri, Apr 9 2004, 11:00AM Discrete geometry, finite groups, and wireless communications Kerr 693 Algebra & Discrete Mathematics Khaled Abdel-Ghaffar, UC Davis Fri, Mar 12 2004, 12:10PM Codes for Detecting Human Errors Kerr 693 Algebra & Discrete Mathematics Sarah Witherspoon, MSRI and TAMU Fri, Mar 5 2004, 12:10PM Representations of the symmetric groups and cohomology Kerr 693 Algebra & Discrete Mathematics Ruchira Datta, UC Davis Fri, Feb 27 2004, 12:10PM How Many Totally Mixed Nash Equilibria Can Graphical Games Have? Kerr 693 Algebra & Discrete Mathematics Jesus De Loera, UC Davis Fri, Feb 20 2004, 12:10PM Roots of Ehrhart Polynomials Kerr 693 Algebra & Discrete Mathematics no seminar Fri, Feb 13 2004, 12:10PM Kerr 693 Algebra & Discrete Mathematics Miki Tarsi, Technion Haifa Israel Fri, Feb 6 2004, 12:10PM The polynomial Method and its applications to Coloring problems of Graphs and Matroids Kerr 693 Algebra & Discrete Mathematics Etienne Rassart, MIT Fri, Jan 30 2004, 12:10PM Polynomiality properties of Kostka numbers and Littlewood-Richardson coefficients Kerr 693 Algebra & Discrete Mathematics John Millson, University of Maryland Fri, Jan 23 2004, 12:10PM The generalized triangle inequalities in symmetric spaces and buildings with applications to algebra Kerr 693 Algebra & Discrete Mathematics Philip Sternberg, UC Davis Fri, Jan 16 2004, 12:10PM Crystal Bases for type D Kirillov-Reshetikhin modules Kerr 693 Algebra & Discrete Mathematics Sankaran Viswanath, UC Davis Wed, Jan 14 2004, 12:10PM tba Kerr 693 Algebra & Discrete Mathematics Charles Cochet, Universit{\'e} Paris 7, France Fri, Jan 9 2004, 12:10PM Kostka numbers and tensor product coefficients in A_r via polytopes. Kerr 693 Algebra & Discrete Mathematics Federico Ardila, MSRI Fri, Dec 5 2003, 2:10PM Enumeration in hyperplane arrangements Kerr 693 Algebra & Discrete Mathematics Diane Maclagan, Stanford Tue, Nov 25 2003, 2:10PM Polytopes occurring in the McKay correspondence Kerr 693 Algebra & Discrete Mathematics Tara Holm, UC Berkeley Fri, Nov 21 2003, 2:10PM Distinguishing chambers of the moment polytope Kerr 693 Algebra & Discrete Mathematics Tyrrell McAllister, UC Davis Fri, Nov 14 2003, 2:10PM Vertices of Gelfand-Tsetlin Polytopes Kerr 693 Algebra & Discrete Mathematics Eric Rains, UC Davis Fri, Nov 7 2003, 2:10PM Hecke algebra deformations of Coxeter group actions Kerr 693 Algebra & Discrete Mathematics Carly Klivans, MSRI Fri, Oct 31 2003, 2:10PM Bergman Complex of a Matroid Kerr 693 Algebra & Discrete Mathematics Arkady Berenstein, University of Oregon Fri, Oct 24 2003, 2:10PM Crystal bases and Geometric crystals Kerr 693 Algebra & Discrete Mathematics Alexander Yong, UC Berkeley Fri, Oct 17 2003, 2:10PM Degeneracy loci, Quiver coefficients and Schubert calculus Kerr 693 Algebra & Discrete Mathematics Monica Vazirani, UC Davis Fri, Oct 10 2003, 2:10PM Affine Tableaux and the Double Affine Hecke Algebra Kerr 693 Algebra & Discrete Mathematics Viswanath Sankaran, UC Berkeley Fri, Oct 3 2003, 2:10PM Tensor product stabilization in Kac-Moody algebras Kerr 693 Algebra & Discrete Mathematics Nat Thiem, University of Wisconsin, Madison Fri, Sep 26 2003, 2:10PM Unipotent Hecke algebras for finite groups of Lie type Kerr 593 Algebra & Discrete Mathematics Michael Khovanov, UC Davis, Mathematics Thu, May 29 2003, 12:10PM The McKay correspondence Kerr 593 Algebra & Discrete Mathematics Maya Ahmed, UC Davis Mathematics Thu, May 15 2003, 12:00PM TBA Kerr 593 Algebra & Discrete Mathematics Jessica Sidman, Mount Holyoke College and UC Berkeley Thu, May 8 2003, 12:00PM Generators for the ideal of the i-skeleton of the n-cube. Kerr 593 Algebra & Discrete Mathematics Wlodzimierz Kuperberg, Auburn University Thu, May 1 2003, 12:00PM Using a Peano curve to on-line cover the $n$-cube by a sequence of cubes. Kerr 593 Algebra & Discrete Mathematics Ezra Miller, Univ of Minnesota and MSRI Berkeley Thu, Apr 24 2003, 12:00PM Combinatorics of quiver polynomials Kerr 593 Algebra & Discrete Mathematics Jesus A. De Loera, UC Davis, Mathematics Thu, Apr 17 2003, 12:10PM On polyhedra arising in Combinatorial representation theory Kerr 593 Algebra & Discrete Mathematics Nina Amenta, UC Davis CS dept. Thu, Apr 3 2003, 12:00PM Biased Randomized Insertion Orders Kerr 693 Algebra & Discrete Mathematics Taichiro Takagi, National Defense Academy, Kanagawa Thu, Mar 13 2003, 1:10PM Geometric crystal of type D^{(1)}_n Kerr 693 Algebra & Discrete Mathematics Masato Okado, Osaka University Thu, Mar 13 2003, 12:10PM Geometric crystal of type A^{(1)}_n Kerr 693 Algebra & Discrete Mathematics Takayuki Hibi, Osaka University Japan Thu, Mar 6 2003, 12:10PM Unimodular and flag triangulations arising from classical root systems Kerr 0 Algebra & Discrete Mathematics Winfried Bruns, Universitat Osnabrueck Germany Fri, Feb 28 2003, 12:10PM Divisorial linear algebra over normal affine semigroup rings Kerr 693 Algebra & Discrete Mathematics Prof. Winfried Bruns, Universitat Osnabrueck Germany Thu, Feb 27 2003, 12:10PM Computing the integral closure of an affine semigroup Kerr 693 Algebra & Discrete Mathematics Prof. Chaim Goodman-Strauss, Univ. of Arkansas Thu, Feb 20 2003, 12:10PM "Regular Production Systems and Aperiodicity in the Hyperbolic Plane" Kerr 693 Algebra & Discrete Mathematics Lipika Deka, Math UC Davis Thu, Feb 13 2003, 12:10PM q-analogues of tensor product multiplicities Kerr 693 Algebra & Discrete Mathematics Prof. Matthew Franklin, UC Davis Computer Science Thu, Feb 6 2003, 12:10PM Mutual Search Kerr 693 Algebra & Discrete Mathematics Ruriko Yoshida, UC Davis Mathematics Thu, Jan 30 2003, 12:10PM LattE: Lattice point enumeration and applications to multiway contingency tables. Kerr 693 Algebra & Discrete Mathematics Dr. Boris Rubinstein, Math UC Davis Thu, Jan 23 2003, 12:10PM "A New Recursive Procedure for Restricted Partition Function" Kerr 693 Algebra & Discrete Mathematics Kevin Woods, Univ. of Michigan Mathematics Fri, Jan 17 2003, 12:10PM Generating functions for Sets of Lattice Points Kerr 693 Algebra & Discrete Mathematics Ruriko Yoshida, Math UC Davis Thu, Jan 9 2003, 1:10PM LattE: Lattice point enumeration and applications to multiway contingency tables. Kerr 693 Algebra & Discrete Mathematics Lipika Deka, Math UC Davis Thu, Jan 9 2003, 12:10PM "Lie algebras, crystal basis and some combinatorics". Kerr 693 Algebra & Discrete Mathematics Prof. Dana Randall, Georgia Tech Thu, Dec 5 2002, 12:00PM The Swapping Algorithm and Mean-Field Models Kerr 693 Algebra & Discrete Mathematics Dr. Matthias Beck, SUNY Binghamton Thu, Nov 21 2002, 12:00PM Computing the continuous discretely: the quest for the volume of the Birkhoff polytope Kerr 693 Algebra & Discrete Mathematics Prof. Bernd Sturmfels, UC Berkeley Thu, Nov 14 2002, 12:10PM Algebraic geometry of Nash equilibria Kerr 693 Algebra & Discrete Mathematics Esther Lamken, CalTech Thu, Nov 7 2002, 12:10PM Decompositions of Edge-Colored Complete Graphs and Combinatorial Designs Kerr 693 Algebra & Discrete Mathematics Mike Develin, UC Berkeley Thu, Oct 31 2002, 12:10PM Linear Programming orientations of Polyhedra Kerr 693 Algebra & Discrete Mathematics Prof. Dan Gusfield, Dept. of CS UC Davis Thu, Oct 24 2002, 12:10PM Combinatorial Algorithms for Tree-Based Haplotype Inference Kerr 693 Algebra & Discrete Mathematics Dr. Eric Rains, CalTech Fri, Oct 18 2002, 12:00PM Increasing subsequences and invariant theory Kerr 593 Algebra & Discrete Mathematics Prof. Jean Lasserre, LAAS/CNRS France Wed, Oct 16 2002, 12:10PM A duality framework for integer programming Kerr 693 Algebra & Discrete Mathematics Dr. Raymond Hemmecke, Mathematics UC Davis Thu, Oct 10 2002, 12:00PM Hilbert Bases Kerr 693 Algebra & Discrete Mathematics Dr. Matthias Aschenbrenner, MSRI Berkeley Thu, Oct 3 2002, 12:00PM Finiteness principles for monomial ideals. Kerr 693 Algebra & Discrete Mathematics David Orden, Univ. of Cantabria Fri, Aug 2 2002, 10:00AM The polyhedron of non-crossing graphs on a planar point set Kerr 593 Algebra & Discrete Mathematics Prof. Ernesto Vallejo, Instituto de Matematicas, UNAM, Mexico Thu, May 23 2002, 3:10PM Kerr 593 Algebra & Discrete Mathematics Lipika Deka, UC Davis Thu, May 9 2002, 3:10PM Part II. Bijection between rigged configurations and crystals for affine Lie algebras Kerr 593 Algebra & Discrete Mathematics Prof. Sinai Robins, Temple University Thu, May 2 2002, 4:10PM How many ways are there to exchange n pennies using two(or more) types of coins? Kerr 593 Algebra & Discrete Mathematics Lipika Deka, UC Davis Thu, May 2 2002, 3:10PM Bijection between rigged configurations and crystals for affine Lie algebras of type {A_n}^{(1)} and {D_n}^{(1)}. Kerr 593 Algebra & Discrete Mathematics Sherman Stein, UC Davis Thu, Apr 25 2002, 3:10PM The Mother of All Conjectures aboutEquidissections Kerr 693 Algebra & Discrete Mathematics Prof. Sherman Stein, UC Davis Thu, Apr 18 2002, 3:00PM Algebra and Topology of Equidissections Kerr 693 Algebra & Discrete Mathematics Monica Vazirani, UC Berkeley Thu, Apr 11 2002, 3:10PM Crystal graphs and Hecke algebras Kerr 693 Algebra & Discrete Mathematics Prof. Andras Sebo, CNRS, Leibniz-IMAG, Grenoble Thu, Apr 4 2002, 3:10PM Some Combinatorial Problems about Numbers Kerr 693 Algebra & Discrete Mathematics Lipika Deka, UC Davis Thu, Mar 7 2002, 3:10PM Symmetric functions Kerr 693 Algebra & Discrete Mathematics Barry McCoy, UC Berkeley/SUNY Stony Brook Thu, Feb 14 2002, 2:10PM Loop Algebra Symmetry in Solvable Lattice Models Kerr 693 Algebra & Discrete Mathematics Prof. Bjorn Poonen, Univ. of California Berkeley Thu, Jan 31 2002, 3:10PM Bertini theorems over finite fields Kerr 693 Algebra & Discrete Mathematics Ruriko Yoshida, Math UC Davis Wed, Jan 9 2002, 1:10PM LattE: Lattice point enumeration and applications to multiway contingency tables. Kerr 693 Algebra & Discrete Mathematics Lipika Deka, Math UC Davis Wed, Jan 9 2002, 12:10PM "Lie algebras, crystal basis and some combinatorics". Kerr 693 Algebra & Discrete Mathematics Michael Kleber, Brandeis University Tue, Jan 8 2002, 3:10PM Symmetric functions and quantum affine algebras Kerr 593 Algebra & Discrete Mathematics Lipika Deka, UC Davis Tue, Dec 4 2001, 10:00AM Reading Seminar Kerr 593 Algebra & Discrete Mathematics Maya Ahmed, UC Davis Tue, Nov 20 2001, 10:00AM Reading seminar Kerr 593 Algebra & Discrete Mathematics Jesus De Loera, UC Davis Math Tue, Nov 13 2001, 10:00AM Reading Seminar Kerr 593 Algebra & Discrete Mathematics Prof. Anne Schilling, Dept. of Math. UC Davis Tue, Oct 23 2001, 10:00AM The combinatorics of crystals - what it is all about! Kerr 0 Algebra & Discrete Mathematics David Orden, Universidad de Cantabria Tue, Oct 16 2001, 10:00AM Asymptotically size-efficient triangulations of the $d$-cube Kerr 593 Algebra & Discrete Mathematics Prof. Shmuel Onn, Technion- Haifa Israel and UC Davis Tue, Oct 9 2001, 10:00AM Grobner bases of Point Configurations Kerr 593 Algebra & Discrete Mathematics Francisco Santos, Univ. Cantabria/UC Davis/MSRI Tue, Oct 2 2001, 10:00AM Planar pseudo-triangulations and expansive motions Kerr 593 Algebra & Discrete Mathematics Prof. Francisco Santos, Univ. Cantabria/ MSRI/ UC Davis Sun, Sep 2 2001, 10:00AM Planar Pseudo-triangulations and expansive motions