Jerusalem Mathematics Colloquium

Thursday, 23rd November 2006, 4:00 pm
Mathematics Building, Lecture Hall 2

Michael Polyak

"Real enumerative geometry and finite type invariants"

Abstract: Enumerative geometry deals with counting geometric objects (lines, curves, planes) subject to certain restrictions (passing through a collection of points, tangent to a curve, etc.).

I will discuss a wide class of such problems on a crossroads of a real enumerative geometry and smooth topology and explain its relation to the theory of finite type invariants. I will also present a simple approach to such problems using maps of configuration spaces and intersections.

The talk does not assume any preliminary knowledge of the subject and should be easily accessible to students.

Light refreshments will be served in the faculty lounge at 3:30.

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