====== The Combinatorics Seminar ======

===== FALL 2015 =====

[[http://www.anybrowser.org/campaign/|Best Viewed With Any Browser]]

[[http://www2.math.binghamton.edu/p/direction|Directions to the department.]]

Organizers: [[laura/|Laura Anderson]], [[dobbins|Michael Dobbins]], [[vaidy/|Vaidy Sivaraman]], and [[zaslav/|Thomas Zaslavsky]].

  * **Tuesday, September 1**\\
//Speaker//: José Alejandro Samper (Washington)\\
//Title//: [[abstract.201509sam|Relaxations of the Matroid Axioms: h-Vectors]]\\
//Time//: 1:15 - 2:15\\
//Room//: WH-100E
  * **Tuesday, September 8**\\
//Speaker//: Laura Anderson (Binghamton)\\
//Title//: [[abstract.201509and|Vector Axioms for Phased Matroids]]\\
//Time//: 1:15 - 2:15\\
//Room//: WH-100E
  * Saturday, September 12\\
**[[http://users.wpi.edu/~martin/MEETINGS/DMD15.html|DISCRETE MATHEMATICS DAY at WPI]] (Worcester Polytechnic Institute)**
  * **Tuesday, September 15**\\
Holiday
  * **Tuesday, September 22**\\
//Speaker//: Sam Hopkins (MIT)\\
//Title//: [[abstract.201509hop|Fourientations and the Tutte Polynomial]]\\
//Time//: 1:15 - 2:15\\
//Room//: WH-100E
  * **Tuesday, September 29**\\
//Speaker//: Amelia Mattern (Binghamton)\\
//Title//: [[abstract.201509mat|Ordering and Reording: Using Heffter Arrays to Biembed Complete Graphs]]\\
//Time//: 1:15 - 2:15\\
//Room//: WH-100E
  * **Thursday, October 1 (joint with the [[http://www2.math.binghamton.edu/p/seminars/topsem|Geometry/Topology Seminar]])**\\
//Speaker//: Florian Frick (Cornell)\\
//Title//: [[abstract.201510fri|Equivariant Topology of Mass Partitions by Hyperplanes]]\\
//Time//: 2:50 - 3:50\\
//Room//: WH-100E
  * **Tuesday, October 6**\\
No meeting today.
  * **Tuesday, October 13**\\
//Speaker//: Michael Dobbins (Binghamton)\\
//Title//: [[abstract.201510dob|Realization Spaces of Arrangements of Convex Bodies]]\\
//Time//: 1:15 - 2:15\\
//Room//: WH-100E
  * **Tuesday, October 20**\\
//Speaker//: Gary Greaves (Tohoku)\\
//Title//: [[abstract.201510gre|Edge-Signed Graphs With Smallest Eigenvalue Greater Than −2]]\\
//Time//: 1:15 - 2:15\\
//Room//: WH-100E
  * **Thursday, October 22 ([[../colloquia/|Colloquium]])**\\
//Speaker//: Gary Greaves (Tohoku)\\
//Title//: [[abstract.201510greC|Equiangular Lines in Euclidean Space]]\\
//Time//: 4:30 - 5:30\\
//Room//: WH-100E
  * **Tuesday, October 27**\\
No meeting today.
  * **Tuesday, November 3**\\
//Speaker//: Richard Behr (Binghamton)\\
//Title//: [[abstract.201511beh|The Chromatic Number of the Plane, et al.]]\\
//Time//: 1:15 - 2:15\\
//Room//: WH-100E
  * Saturday, November 7\\
**[[http://csis.pace.edu/~scha/GTD70|GRAPH THEORY DAY 70 at Pace University, New York, N.Y.]]**
  * **Tuesday, November 10**\\
//Speaker//:\\
//Title//:\\
//Time//: 1:15 - 2:15\\
//Room//: WH-100E
  * **Tuesday, November 17**\\
//Speaker//: Vaidy Sivaraman (Binghamton)\\
//Title//: [[abstract.201511siv|What Do Petersen, Heawood, Coxeter, and Rado Have in Common?]]\\
//Time//: 1:15 - 2:15\\
//Room//: WH-100E
  * **Tuesday, November 24**\\
//Speaker//: Jae-Ho Lee (Tohoku)\\
//Title//: [[abstract.201511lee|Nonsymmetric Askey-Wilson Polynomials and Q-Polynomial Distance-Regular Graphs]]\\
//Time//: 1:15 - 2:15\\
//Room//: WH-100E
  * **Tuesday, December 1**\\
//Speaker//: Ting Su (Binghamton)\\
//Title//: [[abstract.201512su1|Foundations for a Theory of Phased Matroids]]\\
//Time//: 1:15 - 2:15\\
//Room//: WH-100E
  * **Tuesday, December 8**\\
//Speaker//: Ting Su (Binghamton)\\
//Title//: [[abstract.201512su2|A Unified Interpretation of Several Combinatorial Dualities]]\\
//Time//: 1:15 - 2:15\\
//Room//: WH-100E
  * **Tuesday, December 15**\\
//Speaker//: Simon Joyce (Binghamton)\\
//Title//: [[abstract.201512joy|Feedback Welcome: Structure of Boolean Gene Regulatory Networks]]\\
//Time//: 1:15 - 2:15\\
//Room//: WH-100E


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Past Semesters:\\
[[s15|Spring 2015]] | [[f14|Fall 2014]] | [[s14|Spring-Summer 2014]] | [[f13|Fall 2013]] | [[s13|Spring-Summer 2013]] | [[f12|Fall 2012]] | [[s12|Spring 2012]] | [[f11|Fall 2011]] | [[s11|Spring-Summer 2011]] | [[f10|Fall 2010]] | [[s10|Spring-Summer 2010]] | [[f09|Fall 2009]] | [[s09|Spring-Summer 2009]] | [[f08|Fall 2008]] | [[s08|Spring 2008]] | [[f07|Fall 2007]] | [[s07|Spring 2007]] | [[f06|Fall 2006]] | [[s06|Spring 2006]] | [[f05|Fall 2005]] | [[s05|Spring 2005]] | [[f04|Fall 2004]] | [[s04|Spring 2004]] | [[f03|Fall 2003]] | [[s03|Spring 2003]] | [[f02|Fall 2002]] | [[s02|Spring 2002]] | [[f01|Fall 2001]] | [[s01|Spring 2001]] | [[f00|Fall 2000]] | [[s00|Spring 2000]] | [[f99|Fall 1999]] | [[s99|Spring 1999]] | [[f98|Fall 1998]] |


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


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