====== The Combinatorics Seminar ====== ===== SPRING 2007 ===== [[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]], [[chanusa/|Christopher Hanusa]], and [[zaslav/|Thomas Zaslavsky]]. The usual day, time, and place, this semester, are: **Tuesdays, 1:15 - 2:15**, in Room **LN-2205**, with coffee, tea, and cookies at 3:45 in the Anderson Room, LN-2207. Some meetings will be at other times, e.g., when joint with other seminars. ---- * **Tuesday, January 30**\\ //Speaker//: Thomas Zaslavsky (Binghamton)\\ //Title//: [[abstract.200701zas|Weighted Gain Graphs, with Lattice-Ordered Gain Groups and Abelian Semigroup Weights]]\\ //Time//: 1:15 - 2:15\\ //Room//: LN-2205 * **Tuesday, February 27**\\ //Speaker//: Thomas Zaslavsky (Binghamton)\\ //Title//: [[abstract.200702zas|Graphs and Geometry]]\\ //Time//: 1:15 - 2:15\\ //Room//: LN-2205 * **Tuesday, March 6**\\ //Speaker//: Chris Hanusa (Binghamton)\\ //Title//: [[abstract.200703han|Five Days of Five Speakers in (Roughly) Fifty Minutes]]\\ //Time//: 1:15 - 2:15\\ //Room//: LN-2205 * **Tuesday, March 20**\\ //Speaker//: Laura Anderson (Binghamton)\\ //Postponed.// * **Tuesday, March 27**\\ //Speaker//: Caroline Klivans (Chicago)\\ //Title//: [[abstract.200703kli|A Simplicial Matrix Tree Theorem]]\\ //Time//: 1:15 - 2:15\\ //Room//: LN-2205 * **April 10**\\ //Speaker//: Matthias Beck (San Francisco State)\\ //Title//: [[abstract.200704beck|Generating Functions of Rational Polyhedra and Dedekind-Carlitz Polynomials]]\\ //Time//: 1:15 - 2:15\\ //Room//: LN-2205 * **Tuesday, April 17**\\ //Speaker//: Laura Anderson (Binghamton)\\ //Title//: [[abstract.200704and|All Roads Lead to the Euler Characteristic]]\\ //Time//: 1:15 - 2:15\\ //Room//: LN-2205 * **Saturday-Sunday, April 22-23**\\ **[[http://www.math.washington.edu/~gscc07/|The Third Annual Graduate Student Combinatorics Conference]] at the University of Washington**, Seattle, WA. * **Tuesday, April 24**\\ //Speaker//: Garry Bowlin (Binghamton)\\ //Title//: [[abstract.200704bow|Frustrated Gain Graphs and Stanley's Chromatic Symmetric Function]]\\ //Time//: 1:15 - 2:15\\ //Room//: LN-2205 * **Tuesday, May 1**\\ //Speaker//: Lucas Rusnak (Binghamton)\\ //Title//: [[abstract.200705rus|The Combinatorics of Lopsided Sets]]\\ //Time//: 1:15 - 2:15\\ //Room//: LN-2205 * **Tuesday, May 8**\\ //Speaker//: Jackie Kaminski (Binghamton)\\ //Title//: [[abstract.200705kam|An introduction to matroids and their relationship to hyperplanes]]\\ //Time//: 1:15 - 2:15\\ //Room//: LN-2205 * **Saturday, June 16**\\ **[[http://kcollins.web.wesleyan.edu/discmathdays-NE.htm|DISCRETE MATHEMATICS DAY at Pace University]]**, New York City, N.Y. * **Thursday-Saturday, July 12-14**\\ **[[http://kcollins.web.wesleyan.edu/discmathdays-NE.htm|6th International Conference on Lattice Path Combinatorics and Applications]]**, at East Tennessee State University in Johnson City, //Tennessee//. * **Saturday, September 15**\\ **[[http://kcollins.web.wesleyan.edu/discmathdays-NE.htm|DISCRETE MATHEMATICS DAY at Middlebury College]]**, Middlebury, VT. ---- ---- ===== Anticipated Future Talks ===== * //Speaker//: Robert G. Bland (Cornell) * //Speaker//: Chris Godsil (Waterloo) * //Speaker//: Bruce Richter (Waterloo) * //Speaker//: Ileana Streinu (Smith) ---- Past Semesters: [[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]] ---- [[http://www.math.binghamton.edu/|Departmental home page]]. ----