
Geometry, Topology, and Physics Seminar, Spring 2018
Part of the NSF/UCSB ‘Research Training Group’ in Topology and Geometry
Organizers:
Dave Morrison and
Zhenghan Wang.
Meets 4:00  5:30 p.m.
on selected
Fridays in South Hall 6635.
Other Quarters: [
Spring, 2018;
Winter, 2018;
Fall, 2017;
Spring, 2017;
Wnter, 2017;
Fall, 2016;
Spring, 2016;
Winter, 2016;
Fall, 2015;
Spring, 2015;
Winter, 2014;
Fall, 2013;
Fall, 2012;
Fall, 2011;
Winter, 2011;
Spring, 2010;
Winter, 2010;
Fall, 2009;
Spring, 2009;
Winter, 2009;
Fall, 2008;
Spring, 2008;
Winter, 2008;
Fall, 2007;
Spring, 2007;
Winter, 2007;
Fall, 2006
]
April 6 
Dave Morrison (UCSB)
Abstract:
I will explain how geometry and supersymmetry are related to
the physics of SeibergWitten theory. The topological implications of
this physical theory will not be discussed.
Audio;
Lecture notes v1,
Lecture notes v2.

April 27 
Dave Morrison (UCSB)
Abstract:
In March of 2017, I gave a preliminary discussion of the possible
limits of a sequence of Ricciflat metrics on the K3 manifold. I
will now give a more thorough discussion of the problem, including recent
work of HeinSongViaclovskyZhang.
Audio; Slides.

May 4 
No meeting

May 11 
Matt Brown (UCSB)
Abstract:
I will continue where Dave left off last time with the solution of SeibergWitten theory. The topological implications of the theory will still not be discussed.
Audio; Lecture notes.

May 18 
Joint meeting with Differential Geometry seminar: 3:00 p.m.
Jeffrey A. Viaclovsky (UC Irvine)
Abstract:
I will discuss a new construction of families of Ricciflat Kahler metrics on K3 surfaces which collapse to an interval, with TianYau and TaubNUT metrics occurring as bubbles. There is a corresponding singular fibration from the K3 surface to the interval, with regular fibers diffeomorphic to either 3tori or Heisenberg nilmanifolds. This is joint work with HansJoachim Hein, Song Sun, and Ruobing Zhang.


