# Events for 11/27/2023 from all calendars

## Noncommutative Geometry Seminar

**Time: ** 10:00AM - 11:00AM

**Location: ** BLOC 302

**Speaker: **Xiang Tang, Washington University in St. Louis

**Title: ***Mapping Cone, Morse Theory, and Witten Deformation*

**Abstract: **Inspired by a cohomology theory introduced by Tsai, Tseng, and Yau for symplectic manifolds, we introduce a mapping cone construction for Morse theory. We will also explain how to use Witten's deformation and instanton complex to study this mapping cone complex in the case of symplectic manifolds.

## Student/Postdoc Working Geometry Seminar

**Time: ** 4:00PM - 5:30PM

**Location: ** BLOC 628

**Speaker: **JM Landsberg, TAMU

**Title: ***How to get rid of uninvited guests? or Why I am trying to learn commutative algebra*

**Abstract: **Progress on classical questions in linear algebra and complexity theory had been blocked for some time. Machinery from algebraic geometry has led to recent breakthroughs and points to further breakthroughs. I will give a broad overview and then specialize to a specific question that will be one of the main topics of the working seminar in the spring.