Differential Geometry & Geometric Analysis Seminar

The Differential Geometry & Geometric Analysis Seminar meets Wednesdays at 3:00 PM in Fine Hall 314. Organizers: Ruobing Zhang, Ana Menezes, and Paul Minter.

Oct 04

Eric Chen, University of California, Berkeley

Expanding Ricci solitons asymptotic to cones with nonnegative scalar curvature

Fine Hall 314 / 3:00 PM - 4:00 PM

In dimensions four and higher, the Ricci flow may encounter singularities modelled on cones with nonnegative scalar curvature. It may be… See Full Abstract

See Full Abstract

Oct 05

Jeffrey Case, Penn State University

The Obata-Vetois argument and its applications

Fine Hall 322 / 4:30 PM - 5:30 PM

Please note the day and time for this special DGGA Seminar.

I describe a simplification and generalization of… See Full Abstract

See Full Abstract

Oct 11

Xin Zhou, Cornell University

Existence of four minimal spheres in S^3 with a bumpy metric

Fine Hall 314 / 3:00 PM - 4:00 PM

In 1982, S. T. Yau conjectured that there exists at least four embedded minimal 2-spheres in the 3-sphere with an arbitrary metric. In… See Full Abstract

See Full Abstract

Oct 25