====== The Combinatorics and Number Theory Seminar ======

[[index.html|Current Semester and Home Page]]

===== SPRING 2002 =====

[[http://www.anybrowser.org/campaign/|Best Viewed With Any Browser]]


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Organizers: [[laura/|Laura Anderson]], [[matthias/|Matthias Beck]], and [[zaslav/|Thomas Zaslavsky]].

  * **Wednesday, February 6**\\
//Speaker//: Matthias Beck (Binghamton)\\
//Title//: [[abstract.200202beck|The Linear Diophantine Problem of Frobenius]]
  * **Wednesday, February 13**\\
//Speaker//: Laura Anderson (Binghamton)\\
//Title//: Coxeter Matroids
  * **Wednesday, February 20**\\
//Speaker//: Steven Dougherty (University of Scranton)\\
//Title//: 36 Officers and Latin Squares
  * **Wednesday, February 27**\\
//Speaker//: Thomas Zaslavsky (Binghamton)\\
//Title//: [[abstract.200202zas|Dowling Lattices, Quasigroups, and Latin Squares]]
  * **Wednesday, March 6**\\
//Speakers//: Rigoberto Florez and Lori Koban (Binghamton)\\
//Title//: Tutte-Grothendieck Invariance and the Chromatic and Characteristic Polynomials
  * **Wednesday, March 13**\\
//Speaker//: Béla Bajnok (Gettysburg College and Cornell University)\\
//Title//: [[abstract.200203baj|Spherical Designs and the Independence Number of a Subset of an Abelian Group]]
  * **Thursday, March 14: [[../colloquia/|Colloquium]]** (in Number Theory)\\
//Speaker//: Sinai Robins (Temple University)\\
//Title//: Functional Equations for Zeta Functions of Cones\\
//Time//: 4:30 - 5:30\\
//Room//: LN-2205
  * **Tuesday, March 19** (special day)\\
//Speaker//: Debra Waugh (Alfred University)\\
//Title//: [[abstract.200203wau|Upper Bounds in Affine Weyl Groups Under the Weak Order]]\\
//Time//: 4:30 - 5:30
  * **Wednesday, March 20**\\
//Speaker//: Federico Ardila (Massachusetts Institute of Technology)\\
//Title//: Tutte Polynomials of Semimatroids and Hyperplane Arrangements\\
//Time//: 3:30 - 4:30 //**-- SPECIAL TIME --**//
  * **Wednesday, March 27**\\
Holiday
  * **Wednesday, April 3**\\
//Speaker//: Ed Swartz (Cornell University)\\
//Title//: [[abstract.200204swartz|The Broken Circuit Complex]]\\
//Time//: 3:30 - 4:30 //**-- SPECIAL TIME --**//
  * **Tuesday, April 9** (special day)\\
//Speaker//: Stephanie van Willigenburg (Cornell University)\\
//Title//: [[abstract.200204will|Peak Functions and Eulerian Enumeration]]\\
//Time//: 4:30 - 5:30
  * **Friday, April 12: [[../colloquia/|Colloquium]]** (special day)\\
//Speaker//: Richard Pollack (New York University/Courant Institute)\\
//Title//: [[../colloquia/020412.html|On the Betti Numbers of Semi-Algebraic Sets]]\\
//Time//: 4:40 - 5:40\\
//Room//: LN-2205
  * **Wednesday, April 17**\\
//Speaker//: Margaret Readdy (University of Kentucky)\\
//Title//: [[abstract.200204read|An Application of Combinatorial Commutative Algebra to String Theory]]
  * **Tuesday, April 23** (special day)\\
//Speaker//: Steven Tedford\\
//Title//: A Characterization of the Mixed Branching Greedoid\\
//Time//: 12:40 - 1:40 //**-- SPECIAL TIME --**//\\
//Room//: LN-2205\\
This is Mr. Tedford's dissertation defense. The public portion will last about 1 hour. All are invited.
  * **Wednesday, April 24**\\
//Speaker//: Gary Gordon (Lafayette College)\\
//Title//: [[abstract.200204gord|How to Fix an Antimatroid]]
  * **Tuesday, April 30** (special day)\\
//Speaker//: Konstantin Rybnikov (Cornell University)\\
//Title//: [[abstract.200204ryb|Geometry of Positive Quadratic Forms over Integers]]\\
//Time//: 4:30 - 5:30
  * **Wednesday, May 8**\\
//Speaker//: Laura Anderson (Binghamton)\\
//Title//: Hyperplane Transversals and a Combinatorial Borsuk-Ulam Theorem


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Past Semesters: [[f01|Fall 2001]] | [[s01|Spring 2001]] | [[f00|Fall 2000]] | [[s00|Spring 2000]] | [[f99|Fall 1999]] | [[s99|Spring 1999]] | [[f98|Fall 1998]]


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[[http://www.math.binghamton.edu/|Departmental home page]].


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