The doubly slice genus of knots

Speaker:

Mark Powell

Affiliation:

MPIM

Date:

Mon, 07/12/2020 - 14:00 - 14:20

Parent event:

MPIM Topology Seminar [2]

Zoom Meeting ID: 916 5855 1117
For password contact: Arunima Ray or Tobias Barthel.

The doubly slice genus of a knot is a relatively new, natural 4-dimensional knot invariant.
I will describe what is known about it, including an excellent theorem of Wenzhao Chen and
joint work of mine with Patrick Orson.