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Organizers: Laura Anderson, Matthias Beck, and Thomas Zaslavsky.

• Wednesday, September 5
  

Speaker: Thomas Zaslavsky (Binghamton)
Title: Weird Stuff About Sperner's Theorem

• Thursday, September 6 (jointly with the Geometry/Topology Seminar)
  

Speaker: Laura Anderson (Binghamton)
Title: Topology of oriented matroids
Time: 2:50 - 3:50
Room: LN-2205

• Wednesday, September 12
  

Speaker: Matthias Beck (Binghamton)
Title: 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 Geometry/Topology Seminar)
  

Speaker: Laura Anderson (Binghamton)
Title: 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: A Coding-Theoretic Proof of a Part of the Bruck-Ryser Theorem

• Thursday, October 11 (jointly with the 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: Colloquium
  

Speaker: Marvin Knopp (Temple)
Title: On the Signs of the Coefficients of Modular Forms
Time: 4:30 - 5:30
Room: LN-2205

• Wednesday, October 24
  

No seminar today. See colloquium talk tomorrow.

• Thursday, October 25: Colloquium
  

Speaker: Carl Pomerance (Univ. of Georgia and Bell Labs)
Title: Carmichael's Function
Time: 4:30 - 5:30
Room: LN-2205

• Tuesday, October 30 (Note special day and time!)
  

Speaker: Frank Sottile (U. Mass. at Amherst)
Title: 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: Colloquium
  

Speaker: Matthias Beck (Binghamton)
Title: 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: Embedding Problems for Paths and Cycles with Direction-Constrained Edges

• Thursday, November 15: Colloquium
  

Speaker: Thomas Zaslavsky (Binghamton)
Title: //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: The Ring Grooming Problem: Combinatorial Optimization in Modern Telecommunications Networks

• Thursday, December 13: 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: Goncharov Polynomials and Parking Functions
Time: 4:30 - 5:30
Room: LN-2205

• Wednesday, December 19
  

Speaker: Daniel Slilaty (Wright State Univ.)
Title: An Algebraic Characterization of Projective Planarity of Graphs

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