Seminar Calendar
for events the day of Friday, November 6, 2009.

     .
events for the
events containing  

(Requires a password.)
More information on this calendar program is available.
Questions regarding events or the calendar should be directed to Tori Corkery. 
     October 2009          November 2009          December 2009    
 Su Mo Tu We Th Fr Sa   Su Mo Tu We Th Fr Sa   Su Mo Tu We Th Fr Sa
              1  2  3    1  2  3  4  5  6  7          1  2  3  4  5
  4  5  6  7  8  9 10    8  9 10 11 12 13 14    6  7  8  9 10 11 12
 11 12 13 14 15 16 17   15 16 17 18 19 20 21   13 14 15 16 17 18 19
 18 19 20 21 22 23 24   22 23 24 25 26 27 28   20 21 22 23 24 25 26
 25 26 27 28 29 30 31   29 30                  27 28 29 30 31

Friday, November 6, 2009

Women in Mathematics Seminar
1:00 pm   in 141 Altgeld Hall,  Friday, November 6, 2009
 Del 
 Edit 
 Copy 
Submitted by akwiatk2.
Kelly Funk (Department of Mathematics, University of Illinois)
Introduction to Ergodic Theory and Results on Nonrecurrence
Abstract: In this talk we will introduce the subject of ergodic theory by going over some basic definitions and examples. Also we will talk about recurrence and nonrecurrence of sequences. This talk should be accessible to most graduate students.

Algebra, Geometry and Combinatorics Seminar
3:00 pm   in 445 Altgeld Hall,  Friday, November 6, 2009
 Del 
 Edit 
 Copy 
Submitted by llpku.
Pavlo Pylyavskyy (University of Michigan, Ann Arbor)
Total positivity in loop groups
Abstract: The talk is based on joint work with Thomas Lam. We study infinite products of Chevalley generators in the formal loop group. I will describe the formalism of infinite sequences of braid moves, called a braid limit. I will relate this to a partial order, called the limit weak order, on infinite reduced words. I will also explain the original motivation for this work. This includes generalizing both Lusztig's theory of total positivity in reductive groups and the Edrei-Thoma theorem.

Graduate Analysis Seminar
4:00 pm   in 341 Altgeld Hall,  Friday, November 6, 2009
 Del 
 Edit 
 Copy 
Submitted by wgreen4.
Vyron Vellis (Department of Mathematics, University of Illinois)
Quasisymmetic Maps
Abstract: Quasisymmetic Maps are the immediate generalization of Quasiconformal Maps in General Metric Spaces. In this talk I will present the basic theory of these functions, the connection with Quasiconformal Maps in Euclidean Spaces and some open problems. If time permits I will prove some of the basic statements.

Model Theory and Descriptive Set Theory
4:00 pm   in 345 Altgeld Hall,  Friday, November 6, 2009
 Del 
 Edit 
 Copy 
Submitted by w-henson.
Lou van den Dries (UIUC Math)
Sums and Products, X
Abstract: This week we'll continue looking at section 2 in Udi Hrushovski's paper "Stable group theory and approximate subgroups". In the arXiv, this is paper 0909.2190v2 [math.LO]