Home /  Mapping Class Groups of 4-Manifolds: Loops of 2-spheres in 4-manifolds

Seminar

Mapping Class Groups of 4-Manifolds: Loops of 2-spheres in 4-manifolds May 11, 2026 (03:30 PM PDT - 05:00 PM PDT)
Parent Program:
Location: SLMath: Eisenbud Auditorium, Online/Virtual
Speaker(s) David Gabai (Princeton University)
Description No Description
Keywords and Mathematics Subject Classification (MSC)
Primary Mathematics Subject Classification No Primary AMS MSC
Secondary Mathematics Subject Classification No Secondary AMS MSC
Video

Loops of 2-spheres in 4-manifolds
Abstract/Media

Zoom Link


We report on work with David Gay and Daniel Hartman with application to diffeormophisms of the 4-sphere.



We will give an overview during the first 50 minutes or so, then take a brief break enabling people to leave, then about 30 minutes of some details. We get kicked out of the room by 5PM.


No Notes/Supplements Uploaded

Loops of 2-spheres in 4-manifolds