The Combinatorics Seminar

FALL 2013

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Directions to the department.

Organizers: Laura Anderson, Vaidy Sivaraman, and Thomas Zaslavsky.

Organizational Meeting
Time: 1:15 - 2:15
Room: LN-2205

Speaker: Tony Worm (Binghamton, Computer Science)
Title: Prioritized Grammar Enumeration for Fitting Equations to Data
Time: 1:15 - 2:15
Room: LN-2205

Speaker: Vaidy Sivaraman (Binghamton)
Title: Erdős Centennial Conference
Time: 1:15 - 2:15
Room: LN-2205

Speaker: Laura Anderson (Binghamton)
Title: An Introduction to Phased Matroids and the Phased Matroid Grassmannian
Time: 1:15 - 2:15
Room: LN-2205

No meeting today. (Prepare yourselves for Discrete Math Day on Saturday!)

DISCRETE MATHEMATICS DAY at Wesleyan University, Middletown, Conn.

No meeting today. (Recover from the Discrete Math Day.)

Problem Session
Time: 1:15 - 2:15
Room: LN-2205

MAA Seaway Section Meeting at SUNY Potsdam

Problem Session II
Time: 1:15 - 2:15
Room: LN-2205

Speaker: Margaret Readdy (Kentucky)
Title: Euler Flag Enumeration of Whitney-Stratified Spaces
Time: 1:15 - 2:15
Room: LN-2205

Speaker: Richard Behr (Binghamton)
Title: The Chromatic Polynomial
Time: 1:15 - 2:15
Room: LN-2205

GRAPH THEORY DAY 66 at Purchase
All are welcome; see the flyer.

Speaker: Ting Su (Binghamton)
Title: The Bergman Complex of a Matroid and Its Natural Subdivision
Time: 1:15 - 2:15
Room: LN-2205

Speaker: Alex Schaefer (Binghamton)
Title: Crapo's Beta Invariant for Matroids
Time: 1:15 - 2:15 and 4:25 - 5:25
Room: LN-2205

Speaker: Leandro Junes (California University of Pennsylvania)
Title: A Formal Power Series for Non-Decreasing Dyck Paths
Time: 1:15 - 2:15
Room: LN-2205

Speaker: Vaidy Sivaraman (Binghamton)
Title: Nash-Williams' Minimal Bad Sequence Argument
Time: 1:15 - 2:15
Room: LN-2205

Speaker: Hasan Altinbas (Binghamton)
Title: Topological Representation of Dual Pairs of Oriented Matroids
Time: 1:15 - 2:15
Room: LN-2205



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