Department of
Mathematics MSB 
Representation varieties of finitely generated groups.
Configuration spaces of elementary geometric objects like arrangements and mechanical linkages.
Fundamental groups of Kahler manifolds and smooth algebraic varieties.
Manifolds of nonpositive curvature and
quasiisometries. Geometric group theory.
Geometric
representation theory of Lie groups.


Riemann
Surfaces 
MAT280, Spring 2007 
Geometric
Group
Theory 
MAT280, Fall 2015 
RFG
"What
is What in Hyperbolic Geometry" 
MAT290, 20102011 
Calculus 
MAT21C, Winter 2017

Real
Analysis 
MAT125A, Fall 2014 
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Penguins in the hyperbolic plane 