Department of

Mathematics


Seminar Calendar
for events the day of Friday, February 4, 2005.

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Friday, February 4, 2005

4:00 pm in 141 Altgeld Hall,Friday, February 4, 2005

Stable Domination and Independence

Clifton Ealy (UIUC Math)

Abstract: We begin our look at the two part paper "Definable Sets in Algebraically Closed Valued Fields" by Haskell, Hrushovski, and Macphereson by considering stable domination and independence (the beginning of part II of the paper).

4:00 pm in 245 Altgeld Hall,Friday, February 4, 2005

Quadratic differentials in low dimensional topology

Christopher Leininger (Columbia University)

Abstract: Quadratic differentials on a Riemann surface have played a fundamental role in classical Teichmueller theory. Such a differential determines a special type of Euclidean cone metric on the Riemann surface, a projective line of projective measured foliations, and an isometric embedding of the hyperbolic plane into the Teichmueller space (and more!). Understanding the relationships between these various structures can be incredibly useful. In this talk, I will discuss some of these relationships, how they can be used, and how they produce some very pretty connections with other areas of mathematics.