Event time:
Tuesday, September 28, 2021 - 4:15pm
Location:
LOM 214
Speaker:
Lu Wang
Speaker affiliation:
Yale University
Event description:
We show that any closed connected hypersurface in 4-dimensional Euclidean space with entropy less than or equal to that of the round cylinder is smoothly isotopic to the standard three-sphere. This is joint work with Jacob Bernstein.