====== The Combinatorics and Number Theory Seminar ====== [[index.html|Current Semester and Home Page]] ===== SPRING 2001 ===== [[http://www.anybrowser.org/campaign/|Best Viewed With Any Browser]] ---- Organizers: [[zaslav/|Thomas Zaslavsky]] and [[matthias/|Matthias Beck]] * **Tuesday, January 23, 2001 (joint with the [[../AlgebraSem/index.html|Algebra Seminar]])**\\ //Speaker//: Thomas Zaslavsky\\ //Title//: [[abstract.20010123|Automorphism Groups of Dowling Lattices]]\\ //Time//: 2:50-3:50\\ //Room//: LN-2205\\ \\ * **Tuesday, January 30, 2001 (joint with the [[../AlgebraSem/index.html|Algebra Seminar]])**\\ //Speaker//: Kathryn Nyman (Cornell)\\ //Title//: [[abstract.20010130|Incidence Numbers for Line and Pseudo-line Arrangements]]\\ //Time//: 2:50-3:50\\ //Room//: LN-2205\\ \\ * **Tuesday, February 6, 2001 (joint with the [[../AlgebraSem/index.html|Algebra Seminar]])**\\ //Speaker//: Alex Tchernev (SUNY Albany)\\ //Title//: [[abstract.200102tch|Combinatorial and Homological Properties of Polynomial Functors]]\\ //Time//: 2:50-3:50\\ //Room//: LN-2205\\ \\ * **Tuesday, February 13**\\ //Speaker//: Adnan Rubai\\ //Title//: [[abstract.200102ru|Playing Nim on Simplicial Complexes]]\\ //Time//: 4:30-5:30\\ //Room//: LN-2205 * **Tuesday, February 20, 2001 (joint with the [[../AlgebraSem/index.html|Algebra Seminar]])**\\ //Speaker//: Stephanie van Willigenburg (Cornell)\\ //Title//: [[abstract.200102vw|Zigzags and Algebra]]\\ //Time//: 2:50-3:50\\ //Room//: LN-2205\\ \\ * **Tuesday, February 27**\\ //Speaker//: Steve Tedford\\ //Title//: [[abstract.200102td|Introduction to Greedoids: Interesting Things with a Really Bad Name]]\\ //Time//: 4:30-5:30\\ //Room//: LN-2205\\ \\ * **Tuesday, March 6**\\ Blizzard; rescheduled for Thursday, March 8.\\ \\ * **Thursday, March 8**\\ //Speaker//: Matthias Beck\\ //Title//: [[abstract.200103be|Multidimensional Ehrhart Reciprocity]]\\ //Time//: 4:30-5:30\\ //Room//: LN-2205\\ \\ * **Tuesday, March 13**\\ Spring break; no meeting.\\ \\ * **Tuesday, March 20**\\ //Speaker//: Steven Dougherty\\ //Title//: The Search for an Extremal Code of Length 72\\ //Time//: 4:30-5:30\\ //Room//: LN-2205\\ \\ * **Tuesday, March 27**\\ //Speaker//: Steve Tedford\\ //Title//: Generalizing the Graph-Coloring Techniques of Crowell to the Multi-Variable Alexander Polynomial of an Alternating Link\\ //Time//: 2:50-3:50 **(Special early time.)**\\ //Room//: LN-2205\\ \\ * **Monday, April 2 (special day)**\\ //Speaker//: Steve Tedford\\ //Title//: Characterizing Branching Greedoids, I\\ //Time//: 4:00-5:00 **(special time)**\\ //Room//: LN-2205\\ This will be the first half of Tedford's candidacy exam. It is open to all. * **Tuesday, April 3**\\ Time conflict; this week's meeting will be on Thursday, besides the special Monday and Wednesday meetings.\\ \\ * **Wednesday, April 4 (special day)**\\ //Speaker//: Steve Tedford\\ //Title//: Characterizing Branching Greedoids, II\\ //Time//: 4:00-5:00 **(special time)**\\ //Room//: LN-2205\\ This will be the second half of Tedford's candidacy exam. It is open to all. * **Thursday, April 5** (Special day!)\\ //Speaker//: Matt Brin\\ //Title//: [[abstract.200104brin|Calculus III and the Four-Color Theorem]]\\ //Time//: 4:30-5:30\\ //Room//: LN-2205\\ \\ * **Tuesday, April 10**\\ //Speaker//: Martin Hildebrand (Albany)\\ //Title//: [[abstract.200104hil|The Proof of a Combinatorial Conjecture of Simion]]\\ //Time//: 4:30-5:30\\ //Room//: LN-2205\\ \\ * **Wednesday, April 18** (Special day and time!)\\ //Speaker//: Konstantin Rybnikov (Cornell)\\ //Title//: [[abstract.200104ryb|Gain Graphs and Polyhedral Geometry]]\\ //Time//: 5:15-6:15\\ //Room//: LN-2205\\ \\ * **Tuesday, April 24**\\ //Speaker//: Thomas Zaslavsky\\ //Title//: [[abstract.200104zas|Biased Graphs and the Associative Law]]\\ //Time//: 4:30-5:30\\ //Room//: LN-2205\\ \\ * **Tuesday, May 1**\\ //Speaker//: Matthias Beck\\ //Title//: [[abstract.200105beck|Dedekind's Reciprocity Law -- The Probabilistic Way]]\\ \\ * **Tuesday, May 8**\\ Time conflict; this week's seminar will be on Thursday.\\ \\ * **Thursday, May 10: cancelled.**\\ //Speaker//: Thomas Zaslavsky\\ //Title//: [[abstract.200105zas|//Secrets// of Biased Graphs //Revealed!//]]\\ //Time//: This talk will be given in the future. ---- [[http://www.math.binghamton.edu/|Departmental home page]]. ----