The Combinatorics and Number Theory Seminar

SPRING 2003

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

Speaker: Thomas Zaslavsky (Binghamton)
Title: Semiunique Representation of Some Biased-Graphic Matroids
Time: 3:30 - 4:30
Room: LN-2201

Speaker: Marcin Mazur (Binghamton)
Title: Davenport's Constant of a Finite Abelian Group
Time: 4:40 - 5:40
Room: LN-2205

Speaker: Ed Swartz (Cornell)
Title: Representations of Matroids
Time: 1:10 - 2:10 (Note the time!)
Room: LN-2205

NO MEETING

Speaker: Matthias Beck (Binghamton)
Title: Brion's Theorem and its Applications
Time: 1:10 - 2:10
Room: LN-2205

Speaker: Steven Dougherty (Univ. of Scranton)
Title: Building Complex and Quaternionic Lattices from Codes over Rings
Time: 4:40 - 5:40
Room: LN-2205

Speaker: Matthias Beck (Binghamton)
Title: Brion's Theorem and its Applications, Part II
Time: 1:10 - 2:10
Room: LN-2205

Speaker: Rigoberto Florez (Binghamton)
Title: The Relationship Between Full Algebraic Matroids and Lattice Properties, Part I: Pseudomodularity and Double Circuits
Time: 4:40 - 5:40 (Note time change.)
Room: LN-2205
This is the first part of Mr. Florez's doctoral candidacy exam. The examining committee consists of Matthias Beck, Fernando Guzmán, and Thomas Zaslavsky (chair). Everyone is invited to attend.

Speaker: Rigoberto Florez (Binghamton)
Title: The Relationship Between Full Algebraic Matroids and Lattice Properties, Part II: Pseudomodularity and Full Algebraic Matroids
Time: 2:50 - 3:50
Room: LN-2205
This is the second part of Mr. Florez's doctoral candidacy exam. The examining committee consists of Matthias Beck, Fernando Guzmán, and Thomas Zaslavsky (chair). Everyone is invited to attend.

Speaker: Caroline Klivans (MIT)
Title: Shifted Complexes
Time: 1:10 - 2:10
Room: LN-2205

Speaker: Isabel Cristina Ruiz (Binghamton)
Title: There is No Tame Triangulation of the Infinite Real Grassmannian
Time: 1:10 - 2:10
Room: LN-2205

Speaker: Thomas Zaslavsky (Binghamton)
Title: Polygon Space
Time: 1:10 - 2:10
Room: LN-2205

Speaker: Samuel Hsiao (Cornell)
Title: Eulerian Enumeration and Other Illustrations of the Peak Phenomenon
Time: 4:40 - 5:40
Room: LN-2205

Speaker: Ira Gessel (Brandeis University)
Title: Rational Functions with Nonnegative Power Series Coefficients
Time: 4:40 - 5:40
Room: LN-2205

Speaker: Ira Gessel (Brandeis University)
Title: The WZ Method for Combinatorial Identities
Time: 4:30 - 5:30
Room: LN-2205

Speaker: Lori Koban (Binghamton)
Title: Using Gains to Lift Matroids
Time: 1:10 - 2:10
Room: LN-2205

Speaker: Isabel Cristina Ruiz (Binghamton)
Title: Combinatorializing Vector Bundles
Time: 1:10 - 2:10
Room: LN-2205
This is the first part of Ms. Ruiz's doctoral candidacy exam. The examining committee consists of Laura Anderson (chair), Thomas Farrell, and Thomas Zaslavsky. Everyone is invited to attend.

Speaker: Isabel Cristina Ruiz (Binghamton)
Title: Topologizing Combinatorial Bundles
Time: 1:15 - 2:30
Room: LN-2205
This is the second part of Ms. Ruiz's doctoral candidacy exam. The examining committee consists of Laura Anderson (chair), Thomas Farrell, and Thomas Zaslavsky. Everyone is invited to attend.

Speaker: Debra Waugh (Alfred University)
Title: The Order Dimension of Bruhat Order
Time: 4:30 - 5:30
Room: LN-2206

Speaker: Laura Anderson (Binghamton)
Title: Linked Spheres in Oriented Matroids
Time: 2:50 - 3:50
Room: LN-2205

Speaker: Chris Bumgartner (Binghamton)
Title: The Extended Coin-exchange Problem of Frobenius for Arithmetic Sequences
Time: 4:40 - 5:40
Room: LN-2206 (Note special room.)


Past Semesters: Fall 2002 | Spring 2002 | Fall 2001 | Spring 2001 | Fall 2000 | Spring 2000 | Fall 1999 | Spring 1999 | Fall 1998


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