UWO Mathematics Calendar

Week of September 29, 2013
Monday, September 30

Noncommutative Geometry

Time: 14:30
Room: MC 107
Speaker: Masoud Khalkhali (Western)
Title: iNCG 2

I shall give a quick survey of some major recent results in noncommutative geometry. They are mostly related to analytic/geometric aspects of spectral triples and their applications.

 

Geometry and Topology

Time: 15:30
Room: MC 108
Speaker: Hugo Bacard (UWO)
Title: Homotopy theory of co-Segal categories

Given a monoidal model category $M$, we introduce a theory of co-Segal $M$-categories which are homotopy enriched categories over $M$. Examples of such categories emerge naturally when we consider homotopy transfers of algebraic structure. In this talk I will present the theory along with some examples and then will focus on the homotopy theory of these structures. Different model structures for co-Segal categories exist and I will talk about the canonical model structure, which is somehow the correct one.

 
Tuesday, October 01

Analysis Seminar

Time: 14:30
Room: MC 108
Speaker: Stamatis Pouliasis (Univ. Laval)
Title: On the asymptotic behavior of the capacity of certain condensers

First we shall present some basic facts about condenser capacity, Green functions and their relation with complex analysis. Then we will examine the asymptotic behavior of the capacity of the inverse image of a condenser under exponential Blaschke products and universal covering maps.

 
Wednesday, October 02

Homotopy Theory

Time: 14:30
Room: MC 108
Speaker: Marcy Robertson (Western)
Title: Localization of spaces with respect to homology, part 2

 

Noncommutative Geometry

Time: 14:30
Room: MC 107
Speaker: Ali Fathi (Western)
Title: Noncommutative Chern-Simons Theory

After introducing classical Chern-Simons gauge theory, I will go over the noncommutative version of the theory and also the recent results on computing the action explicitly on some non-commutative spaces.

 
Thursday, October 03

Colloquium

Time: 15:30
Room: MC 108
Speaker: Rasul Shafikov (Western)
Title: Lagrangian inclusions and holomorphic discs

Gromov's theorem on the existence of a holomorphic disc attached to a compact Lagrangian submanifold of $\mathbb C^n$ has had a deep impact on symplectic topology and complex analysis. I will discuss generalizations of this result to singular submanifolds.

 
Friday, October 04

Algebra Seminar

Time: 14:30
Room: MC 108
Speaker: Stefan Gille (Alberta)
Title: Permutation modules and motives of geometrically rational surfaces

I will explain how permutation modules can be used to compute the motive of a geometrically rational surface. As a by-product one gets that a geometrically split motive with rational coefficients is always 0-dimensional.