====== The Combinatorics Seminar ====== ===== SPRING 2019 ===== [[http://www.anybrowser.org/campaign/|Best Viewed With Any Browser]] [[http://www2.math.binghamton.edu/p/direction|Directions to the department.]] Organizers: [[http://www2.math.binghamton.edu/p/people/laura|Laura Anderson]], [[http://www2.math.binghamton.edu/p/people/dobbins/|Michael Dobbins]], [[http://www2.math.binghamton.edu/p/people/schroeter/|Benjamin Schröter]], and [[http://www2.math.binghamton.edu/p/people/zaslav/|Thomas Zaslavsky]]. * **Tuesday, January 22**\\ Organizational meeting\\ //Time//: 1:15 - 2:15\\ //Room//: WH-100E * **Tuesday, January 29**\\ //Speaker//: Emanuele Delucchi (Freiburg)\\ //Title//: [[abstract.201901del|Stanley-Reisner Rings of Symmetric Simplicial Complexes]]\\ //Time//: 1:15 - 2:15\\ //Room//: WH-100E * **Tuesday, February 5**\\ //Speaker//: Thomas Zaslavsky (Binghamton)\\ //Title//: [[abstract.201902zas|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//: [[abstract.201902don|The Covering Number of a Semigroup]]\\ //Time//: 1:15 - 2:15\\ //Room//: WH-100E * **Tuesday, February 26**\\ //Speaker//: Benjamin Schroeter (Binghamton)\\ //Title//: [[abstract.201902sch|Shortest Paths and Tropical Geometry]]\\ //Time//: 1:15 - 2:15\\ //Room//: WH-100E * **Tuesday, March 5**\\ //Speaker//: Lauren Rose (Bard)\\ //Title//: [[abstract.201903ros|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 [[http://www2.math.binghamton.edu/p/seminars/topsem|Geometry/Topology Seminar]])**\\ //Speaker//: Mayank Goswami (Queens College, CUNY)\\ //Title//: [[abstract.201903gos|Computing Extremal Quasiconformal Mappings]]\\ //Time//: 2:50 - 3:50 (note **special time**)\\ //Room//: WH-100E * **Tuesday, March 26 (joint with the [[http://www2.math.binghamton.edu/p/seminars/topsem|Geometry/Topology Seminar]])**\\ //Speaker//: Laura Anderson (Binghamton)\\ //Title//: [[abstract.201903and|Homotopy Types of Combinatorial Grassmannians]]\\ //Time//: 1:15 - 2:15\\ //Room//: WH-100E * **Tuesday, April 2**\\ //Speaker//: Jorn van der Pol (Waterloo)\\ //Title//: [[abstract.201904pol|Enumerating Matroids of Fixed Rank]]\\ //Time//: 1:15 - 2:15\\ //Room//: WH-100E * Saturday, April 6\\ **[[https://sites.google.com/view/umass-dms/dmdspring19|DISCRETE MATHEMATICS DAY at U. Mass. Amherst]]** * **Tuesday, April 9** (joint with the [[http://www2.math.binghamton.edu/p/seminars/colloquium|Colloquium]])\\ //Speaker//: Gregory Warrington (Vermont)\\ //Title//: [[abstract.201904war|Merry Deranging: Math and Gerrymandering]]\\ //Time//: 1:15 - 2:15\\ //Room//: **CW (Student Wing) 112** (Note special room.) * **Thursday, April 11** (joint with the [[http://www2.math.binghamton.edu/p/seminars/topsem|Geometry/Topology Seminar]])\\ //Speaker//: Matt Zaremsky (Albany)\\ //Title//: [[https://www2.math.binghamton.edu/p/seminars/topsem|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//: [[abstract.201904ell|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//: [[abstract.201904std|Schubert Polynomials and Flow Polytopes]]\\ //Time//: 1:15 - 2:15\\ //Room//: WH-100E * **Tuesday, April 30**\\ //Speaker//: Alexander McDonough (Brown)\\ //Title//: [[abstract.201904mcd|Chip-Firing on Simplicial Complexes and Matroids]]\\ //Time//: 1:15 - 2:15\\ //Room//: WH-100E * **Tuesday, May 7**\\ //Speaker//: Michael Dobbins (Binghamton)\\ //Title//: [[abstract.201905dob|Candidate Sets for the Art Gallery Problem]]\\ //Time//: 1:15 - 2:15\\ //Room//: WH-100E ---- ---- ===== Anticipated Future Talks ===== * //Speaker//: Daniel Slilaty (Wright State) * //Speaker//: Christopher Hanusa (Queens College) ---- ---- Past Semesters:\\ [[f18|Fall 2018]] | [[s18|Spring 2018]] | [[f17|Fall 2017]] | [[s17|Spring 2017]] | [[f16|Fall 2016]] | [[s16|Spring-Summer 2016]] | [[f15|Fall 2015]] | [[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]] | ---- [[http://www.math.binghamton.edu/|Departmental home page]]. ----