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

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

===== FALL 2001 =====

[[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, September 5**\\
//Speaker//: Thomas Zaslavsky (Binghamton)\\
//Title//: Weird Stuff About Sperner's Theorem
  * **Thursday, September 6** (jointly with the [[../topsem/|Geometry/Topology Seminar]])\\
//Speaker//: Laura Anderson (Binghamton)\\
//Title//: [[../topsem/landersn_F_01a.html|Topology of oriented matroids]]\\
//Time//: 2:50 - 3:50\\
//Room//: LN-2205
  * **Wednesday, September 12**\\
//Speaker//: Matthias Beck (Binghamton)\\
//Title//: [[abstract.200109beck|A short, generalizable, and q-analogizable proof of Meshalkin's generalization of Sperner's theorem on componentwise antichains]]
  * **Wednesday, September 19**\\
//No meeting (school holiday)//
  * **Tuesday, September 25** (jointly with the [[../topsem/|Geometry/Topology Seminar]])\\
//Speaker//: Laura Anderson (Binghamton)\\
//Title//: [[../topsem/landersn_F_01b.html|Prospects in combinatorial differential manifolds and matroid bundles]]\\
//Time//: 4:30 - 5:30\\
//Room//: LN-2205
  * **Wednesday, September 26**\\
//No meeting (school holiday)//
  * **Wednesday, October 3**\\
//Speaker//: Alina Vdovina (Binghamton)\\
//Title//: Eulerian Paths in Cubic Graphs, and Their Applications
  * **Wednesday, October 10**\\
//Speaker//: Steven Dougherty (University of Scranton)\\
//Title//: [[abstract.200110dou|A Coding-Theoretic Proof of a Part of the Bruck-Ryser Theorem]]
  * **Thursday, October 11** (jointly with the [[../topsem/|Geometry/Topology Seminar]])\\
//Speaker//: Alina Vdovina (Binghamton)\\
//Title//: Combinatorial Structure of Some Hyperbolic Buildings\\
//Time//: 2:50 - 3:50\\
//Room//: LN-2205
  * **Wednesday, October 17**\\
//Speaker//: Steve Tedford (Binghamton)\\
//Title//: Branching Greedoids of Mixed Graphs
  * **Thursday, October 18: [[../colloquia/|Colloquium]]**\\
//Speaker//: Marvin Knopp (Temple)\\
//Title//: On the Signs of the Coefficients of Modular Forms\\
//Time//: 4:30 - 5:30\\
//Room//: LN-2205\\
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  * **Wednesday, October 24**\\
No seminar today. See colloquium talk tomorrow.
  * **Thursday, October 25: [[../colloquia/|Colloquium]]**\\
//Speaker//: Carl Pomerance (Univ. of Georgia and Bell Labs)\\
//Title//: Carmichael's Function\\
//Time//: 4:30 - 5:30\\
//Room//: LN-2205\\
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  * **Tuesday, October 30** //(Note special day and time!)//\\
//Speaker//: Frank Sottile (U. Mass. at Amherst)\\
//Title//: [[abstract.200110sot|The Malvenuto-Reutenauer Hopf Algebra of Permutations]]\\
//Time//: 4:30-5:30\\
//Room//: LN-2205
  * **Wednesday, November 7**\\
No seminar today. See colloquium talk tomorrow.
  * **Thursday, November 8: [[../colloquia/|Colloquium]]**\\
//Speaker//: Matthias Beck (Binghamton)\\
//Title//: [[../colloquia/011108.html|On the Number of ``Magic Squares'']]\\
//Time//: 4:30 - 5:30\\
//Room//: LN-2205
  * **Wednesday, November 14**\\
//Speaker//: Sue Whitesides (McGill and Cornell Universities)\\
//Title//: [[abstract.200111whi|Embedding Problems for Paths and Cycles with Direction-Constrained Edges]]
  * **Thursday, November 15: [[../colloquia/|Colloquium]]**\\
//Speaker//: Thomas Zaslavsky (Binghamton)\\
//Title//: [[abstract.200105zas|//Secrets// of Biased Graphs //Revealed!//]]\\
//Time//: 4:30 - 5:30\\
//Room//: LN-2205
  * **Wednesday, November 28**\\
//Speaker//: Elizabeth McMahon (Lafayette College)\\
//Title//: Polynomials on Greedoids and Antimatroids
  * **Wednesday, December 5**\\
//Speaker//: Timothy Y. Chow (Tellabs Research Center)\\
//Title//: [[abstract.200112chow|The Ring Grooming Problem: Combinatorial Optimization in Modern Telecommunications Networks]]
  * **Thursday, December 13: [[../colloquia/|Colloquium]]**\\
//Speaker//: Stan Wagon (Macalester College)\\
//Title//: A Computational View of the Four-Color Theorem: A Resuscitation of a Famous False Proof\\
//Time//: 4:30 - 5:30\\
//Room//: LN-2205\\

  * **Friday, December 14** //(SPECIAL LECTURE! Note special day and time.)//\\
//Speaker//: Joseph P.S. Kung (Univ. of North Texas)\\
//Title//: [[abstract.200112kung|Goncharov Polynomials and Parking Functions]]\\
//Time//: 4:30 - 5:30\\
//Room//: LN-2205
  * **Wednesday, December 19**\\
//Speaker//: Daniel Slilaty (Wright State Univ.)\\
//Title//: [[abstract.200112sli|An Algebraic Characterization of Projective Planarity of Graphs]]


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


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