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

===== SPRING and SUMMER 2013 =====

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

[[http://www.math.binghamton.edu/dept/directions.html|Directions to the department.]]

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


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===== SPRING 2013 =====

  * **Tuesday, January 29 (joint with the [[../topsem/index.html|Geometry/Topology Seminar]])**\\
//Speaker//: Matt Brin (Binghamton)\\
//Title//: [[abstract.201302bri|The Prettiest Result I Have Seen In the Last Year]]\\
//Time//: 1:15 - 2:15\\
//Room//: LN-2205
  * **Tuesday, February 5**\\
//Speaker//: Thomas Zaslavsky (Binghamton)\\
//Title//: [[abstract.201302zas|Hypercubical Set Labellings of Graphs]]\\
//Time//: 1:15 - 2:15\\
//Room//: LN-2205
  * **Tuesday, February 12**\\
//Speaker//: Vaidy Sivaraman (Binghamton)\\
//Title//: [[abstract.201302siv|Bicircular Signed-Graphic Matroids]]\\
//Time//: 1:15 - 2:15\\
//Room//: LN-2205
  * **Tuesday, February 19**\\
//Speaker//: Thomas Zaslavsky (Binghamton)\\
//Title//: [[abstract.201302zasa|Root Systems, Angle Representations, and Signed Graphs]]\\
//Time//: 1:15 - 2:15\\
//Room//: LN-2205
  * **Tuesday, February 26**\\
//Speaker//: Thomas Zaslavsky (Binghamton)\\
//Title//: [[abstract.201302zasa|Root Systems, Angle Representations, and Signed Graphs (continued)]]\\
//Time//: 1:15 - 2:15\\
//Room//: LN-2205
  * **Tuesday, March 5**\\
//Speakers//: Thomas Zaslavsky and Jackie Kaminski (Binghamton)\\
//Title//: [[abstract.201303zk|Matroids in Mississippi]]\\
//Time//: 1:15 - 2:15\\
//Room//: LN-2205
  * **Tuesday, March 12**\\
//Speaker//: Stefan van Zwam (Princeton)\\
//Title//: [[abstract.201303zwa|Beyond Total Unimodularity]]\\
//Time//: 1:15 - 2:15\\
//Room//: LN-2205
  * **Tuesday, March 19**\\
//Speaker//: George Brown (Wisconsin–Stout)\\
//Title//: [[abstract.201303bro|Leonard Triples of Tridiagonal Matrices Associated with Hypercubes and Their Antipodal Quotients]]\\
//Time//: 1:15 - 2:15\\
//Room//: LN-2205
  * **Tuesday, April 2**\\
No meeting this week.
  * **Tuesday, April 9**\\
//Speaker//: Laura Anderson (Binghamton)\\
//Title//: [[abstract.201304and|The Phased Matroid Grassmannian]]\\
//Time//: 1:15 - 2:15\\
//Room//: LN-2205
  * **Tuesday, April 16**\\
//Speaker//: Laura Anderson (Binghamton)\\
//Title//: [[abstract.201304and|The Phased Matroid Grassmannian, Part II]]\\
//Time//: 1:15 - 2:15\\
//Room//: LN-2205
  * **Saturday, April 20**\\
[[http://users.wpi.edu/~martin/MEETINGS/DMD13.html|DISCRETE MATHEMATICS DAY at WPI]]\\
Worcester Polytechnic Institute, Worcester, Mass.
  * **Monday, April 22 (note special day) (joint with the [[../AlgebraSem/index.html|Algebra Seminar]])**\\
//Speaker//: Alex Fink (North Carolina State)\\
//Title//: [[abstract.201304fin|Matroids Over Rings]]\\
//Time//: 2:20 - 3:20\\
//Room//: LN-2201
  * **Tuesday, April 23**\\
//Speaker//: Alex Schaefer (Binghamton)\\
//Title//: [[abstract.201304sch|Matroid Designs: A Crash Course in Finite Geometry and Design Theory]]\\
//Time//: 1:15 - 2:15\\
//Room//: LN-2205
  * **Saturday, April 27**\\
[[201304gtd65.pdf|GRAPH THEORY DAY 65]]\\
at Nassau Community College
  * **Tuesday, April 30**\\
//Speaker//: Simon Lepkin (Binghamton)\\
//Title//: [[abstract.201304lep|The Stable Marriage Problem, on Digraphs]]\\
//Time//: 1:15 - 2:15\\
//Room//: LN-2205
  * **Tuesday, May 7**\\
//Speaker//: Dena Morton (Xavier)\\
//Title//: [[abstract.201305mor|A Family of Nim-Like Arrays]]\\
//Time//: 1:15 - 2:15\\
//Room//: LN-2205
  * **Monday, May 13 (Note special day.)**\\
//Speaker//: Amanda Ruiz (Binghamton)\\
//Title//: [[abstract.201305rui|Realization Spaces of Phased Matroids]]\\
//Time//: 12:00 - 2:00 (Note special time.)\\
//Room//: LN-2205
  * **Tuesday, May 14**\\
//Speaker//: Gary Gordon (Lafayette)\\
//Title//: [[abstract.201305gor|Moving Faces to Other Places: Facet Derangements of the Hypercube]]\\
//Time//: 1:00 - 2:00 (Note special time.)\\
//Room//: LN-2205
  * **Wednesday, May 15 (Note special day.)**\\
//Speaker//: Craig Defelice (Binghamton)\\
//Title//: [[abstract.201305def|Lattice Path Matroids]]\\
//Time//: 2:00 - 3:00 (Note special time.)\\
//Room//: LH-13 (Note special room.)


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===== SUMMER 2013 =====

  * **Wednesday, July 3 (Note special day.)**\\
//Speaker//: David Forge (LRI, Orsay)\\
//Title//: [[abstract.201307for|Bijections Between Affine Arrangements and Valued Graphs]]\\
//Time//: 1:15 - 2:15\\
//Room//: LN-2205
  * **Thursday, July 25 (Note special day.)**\\
//Speaker//: Hiroaki Terao (Hokkaido)\\
//Title//: [[abstract.201307ter|The Freeness of Ideal Subarrangements of Weyl Arrangements]]\\
//Time//: 11:20 - 12:20 **(note special time)**\\
//Room//: LN-2205
  * **Thursday, July 25 (Note special day.)**\\
//Speaker//: Jackie Kaminski (Binghamton)\\
//Title//: [[abstract.201307kam|Classification of Factored Gain-Graphic Hyperplane Arrangements]]\\
//Time//: 1:30 - 3:30 **(note special time)**\\
//Room//: LN-2205


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Past Semesters:\\
| [[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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