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Past Combinatorics and Algebra Seminars

 

Fall 2016

Spring 2016

Fall 2015

Spring 2015

Fall 2014

Spring 2014

Fall 2013

Spring 2013

Fall 2012

Spring 2012

Fall 2011

Spring 2011

Fall 2010

 

Spring 2010

 

Fall 2009

 

Spring 2009

 

Fall 2008

 

Spring 2008

Fall 2007

Spring 2007

Fall 2006

  • Sept. 22~ Collineations and affine transformations in Euclidean space
    Valeriu Soltan

  • Oct. 13~ Minkowski sums of simplices
    Walter Morris

  • Nov. 17~ Good Hidden P-matrix Sandwiches
    Walter Morris

Spring 2006

  • Feb. 10~ Sunflowers, Kneser Graphs and Intersecting Families
    Geoff McKenna, George Washington University

  • Feb. 17~ No talk. We recommend the department
    colloquium at 3:30.

  • Feb. 24~ On the empty hexagon theorem
    Walter Morris

  • Mar. 3~ Gale transforms
    Jim Lawrence

  • Mar. 10~ More Gale Transforms: K_5 in R^3 (or S^3)
    Jim Lawrence

  • Mar. 24~ No seminar. The Math Club is arranging a talk at 1:15, on the Mathematics of Juggling, by Allen Knutson, UCSD.

  • Mar. 31~ The transfer of Krull dimension in fixed rings
    Jay Shapiro

Edith Adan-Bante, U. of Southern Mississippi Gulf Coast

  • May 4~ 3PM The plus, minus game
    Klaus Fischer

Fall 2005

  • Sept. 8 ~ Graphical condensation and its connection to plane partitions and MacMahon's formula
    Eric Kuo
  • Sept. 15 ~ A classification of the minimal ring extensions of an integral domain
    Jay Shapiro
  • Sept. 22 ~ Combinatorics of Viterbi Sequences
    Eric Kuo
  • Sept. 29 ~ The simple stochastic game
    Walter Morris
  • Oct. 6 ~ Extension of vertex maps to graph homomorphisms
    Geir Agnarsson
  • Oct. 13 ~ Extension of vertex maps to graph homomorphisms, part II
    Geir Agnarsson
  • Oct. 20 ~ No talk
  • Oct. 27 ~ Discrete polymatroids
    Walter Morris
  • Nov. 3 ~ No talkNov. 10 ~ No talk
  • Nov. 17 ~ Case Studies in Shape and Trajectory Optimization: Catenary Problem
    Igor Griva
  • Dec. 1 ~ TBA
    Jim Lawrence

Spring 2005

  • Feb. 18 ~ Isothetic Parallelotopes and the Binary Intersection Property
    Valeriu Soltan
  • Mar. 4 ~ Cluttered orderings for the complete bipartite graph and the complete tripartite graph
    Tomoko Adachi, Toho University, Japan
  • Mar. 11 ~ Positive bases in Euclidean space
    Valeriu Soltan
  • Mar. 25 ~ On multipartite posets
    Geir Agnarsson On multipartite posets
  • Apr. 1 ~ Algebra and graph reconstruction
    Geoff McKenna, George Washington University Apr. 8 ~ NO TALK - we recommend the Math colloquium
  • Apr. 22 ~ Good hidden P-matrix sandwiches
    Makoto Namiki, Toho University and George Mason University
  • Apr. 29 ~ Good hidden P-matrix sandwiches, part II
    Makoto Namiki, Toho University and George Mason University

 

 
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