The Combinatorics Seminar

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Directions to the department.

Organizers: Laura Anderson, Michael Dobbins, Benjamin Schröter, and Thomas Zaslavsky.

• Tuesday, January 22
  

Organizational meeting
Time: 1:15 - 2:15
Room: WH-100E

• Tuesday, January 29
  

Speaker: Emanuele Delucchi (Freiburg)
Title: Stanley-Reisner Rings of Symmetric Simplicial Complexes
Time: 1:15 - 2:15
Room: WH-100E

• Tuesday, February 5
  

Speaker: Thomas Zaslavsky (Binghamton)
Title: Transitive Closure in Digraphs and Bidigraphs
Time: 1:15 - 2:15
Room: WH-100E

• Tuesday, February 12
  

Postponed on account of mean, evil (actually, not so much) weather.

• Tuesday, February 19
  

Speaker: Casey Donoven (Binghamton)
Title: The Covering Number of a Semigroup
Time: 1:15 - 2:15
Room: WH-100E

• Tuesday, February 26
  

Speaker: Benjamin Schroeter (Binghamton)
Title: Shortest Paths and Tropical Geometry
Time: 1:15 - 2:15
Room: WH-100E

• Tuesday, March 5
  

Speaker: Lauren Rose (Bard)
Title: Module Bases for Integer Splines
Time: 1:15 - 2:15
Room: WH-100E

• Tuesday, March 12
  

This week's seminar is on Thursday.

• Thursday, March 14 (note special day) (joint with the Geometry/Topology Seminar)
  

Speaker: Mayank Goswami (Queens College, CUNY)
Title: Computing Extremal Quasiconformal Mappings
Time: 2:50 - 3:50 (note special time)
Room: WH-100E

• Tuesday, March 26 (joint with the Geometry/Topology Seminar)
  

Speaker: Laura Anderson (Binghamton)
Title: Homotopy Types of Combinatorial Grassmannians
Time: 1:15 - 2:15
Room: WH-100E

• Tuesday, April 2
  

Speaker: Jorn van der Pol (Waterloo)
Title: Enumerating Matroids of Fixed Rank
Time: 1:15 - 2:15
Room: WH-100E

• Saturday, April 6
  

DISCRETE MATHEMATICS DAY at U. Mass. Amherst

• Tuesday, April 9 (joint with the Colloquium)
  

Speaker: Gregory Warrington (Vermont)
Title: Merry Deranging: Math and Gerrymandering
Time: 1:15 - 2:15
Room: CW (Student Wing) 112 (Note special room.)

• Thursday, April 11 (joint with the Geometry/Topology Seminar)
  

Speaker: Matt Zaremsky (Albany)
Title: Bestvina-Brady Morse theory on Vietoris-Rips complexes
Time: 2:50 - 3:50
Room: WH-100E

• Tuesday, April 16
  

Speaker: Joanna Ellis-Monaghan (Saint Michael's College)
Title: New Dualities From Old: Generating Geometric, Petrie, and Wilson Dualities and Trialites of Ribbon Graphs
Time: 1:15 - 2:15
Room: WH-100E

• Tuesday, April 23
  

Speaker: Avery St. Dizier (Cornell)
Title: Schubert Polynomials and Flow Polytopes
Time: 1:15 - 2:15
Room: WH-100E

• Tuesday, April 30
  

Speaker: Alexander McDonough (Brown)
Title: Chip-Firing on Simplicial Complexes and Matroids
Time: 1:15 - 2:15
Room: WH-100E

• Tuesday, May 7
  

Speaker: Michael Dobbins (Binghamton)
Title: Candidate Sets for the Art Gallery Problem
Time: 1:15 - 2:15
Room: WH-100E

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• Speaker: Daniel Slilaty (Wright State)
• Speaker: Christopher Hanusa (Queens College)

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