Feb 20, 2019
Lauren Rose (Bard College) – Modules Bases for Integer Splines
Abstract: Let G be a graph with n vertices and integer edge weights A. A vertex labeling (g_1, …, g_n) is an integer spline if for every pair of adjacent…
Seminar
Posts for math department seminar
Nov 14, 2018
Michael Steward (USMA – West Point) – Numerical semigroups and Kunz polytopes
Abstract: A numerical semigroup S is an additive submonoid of N whose complement is finite. The cardinality of N \ S is called the genus of S and is denoted…
Oct 31, 2018
Hays Whitlatch (University of South Carolina) – From Genetics to Graph Theory: exploring the origin of pressing sequences in graphs.
Abstract: One can construct a useful metric on genome sequences by computing minimal-length sortings of (signed) permutations by reversals. Hannenhalli…
Oct 17, 2018
Aimee Johnson (Swarthmore College) – Speedups of Z^d actions
Abstract: In this talk, we will discuss measurable dynamical systems and what it means to be able to “speed up” one system to “look like” another. In…
Oct 3, 2018
Megan Cream (DeSales University) – Extending Vertex and Edge Pancyclicity
Abstract: A graph G on n vertices is called pancyclic if it contains a cycle of every possible length, from three to the order of the graph, n. Further…
Sep 5, 2018
Angela Hicks (Lehigh University) – Symmetric Functions and Beyond
Abstract: The symmetric functions (SYM) are the set of polynomials with variables in which are unchanged by exchanging any variable with . As a vector…
Mar 5, 2017
Bruce Sagan (Michigan State University) – The protean chromatic polynomial
As part of the math department’s MAAD series, Bruce Sagan gave a fantastic talk titled: “The protean chromatic polynomial”. His abstract follows: Let t be…