Joel Hass

Professor
Geometry and topology
Ph.D., 1981, University of California, Berkeley
Refereed publications: Via Math Reviews

Web Page: http://www.math.ucdavis.edu/~hass/
Email: hass@math.ucdavis.edu
Office: MSB 2222
Phone: 601-4444 x4003

Research

Selected publications

[1] J. Hass and R. Schlafly. " Double Bubbles Minimize," Annals of Mathematics, 151: 459-515, 2000, matharXiv0003.5157.

[2] J. Hass and J. Lagarias, " The number of Reidemeister moves needed for unknotting," J. Amer. Math. Soc., 14(2): 399-428, 2001, matharXiv9807.5012.

[3] J. Hass, I. Agol, and W.P. Thurston, " The Computational Complexity of Knot Genus and Spanning Area," Trans. Amer. Math. Soc., 358: 3821-3850, 2005, matharXiv0205.5057.

[4] J. Hass and T. Nowik, " Unknot diagrams requiring a quadratic number of Reidemeister moves to untangle," matharXiv0711.2350.

[5] J. Hass, " Families of harmonic maps and stabilization of Heegaard splittings," preprint.

Books

[1] How to Ace Calculus: The Streetwise Guide, by Colin Conrad Adams, Joel Hass, Abigail Thompson. WH Freeman & Co., September, 1998.

[2] How to Ace the Rest of Calculus: The Streetwise Guide, by Colin Conrad Adams, Joel Hass, Abigail Thompson. WH Freeman & Co., September, 2001.

[3] Proceedings of the Kirbyfest. Held in Berkeley, CA, June 22-26, 1998. Edited by Joel Hass and Martin Scharlemann. Geometry & Topology Monographs, 2. Geometry & Topology Publications, Coventry, 1999. front matter+569 pp. (electronic). 57-06 (00B30).

[4] Thomas’ Calculus 11th edition (with Thomas, Weir, Girodano) Addison-Wesley, 2005.

[5] Thomas’ Calculus, 11th edition ET (with Thomas, Weir, Girodano) Addison-Wesley, 2005.

[6] University Calculus (with Thomas, Weir), Addison-Wesley, 2006.

Last updated: 2008-02-27