Joel Hass

Professor, Department of Mathematics

Research - Teaching - Editorial and Administrative - Books - Personal

Tel: (530) 754-0236
Fax: (530) 752-6635
email: hass(at symbol)

In May 7-9, 2021 I am co-organizing a workshop:
Geometric Methods for Analyzing Discrete Shapes
at the The Center of Mathematical Sciences and Applications at Harvard University.
FRG workshop at CMSA
In Winter Quarter 2021 I organized the
Geometry and Topology Seminar
along with Josh Howie and Abigail Thompson.

The schedule for upcoming talks can be found here: Coming talks

Some of the talks were recorded and can be accessed below.

Marc Lackenby's February 2, 2021 talk on a quasi-polynomial unknotting algorithm can be found here.
Marc Lackenby on unknotting in quasipolynomial time.

Michael Freedman talked on March 2, 2021 on "Controlled Mather Thurston Theorems."
Mike Freedman on Controlled Mather Thurston Theorems .

Lisa Piccirillo talked on March 9, 2021 on "Knot concordance and exotica."
Lisa Piccirillo on Knot concordance and exotica .