MathCS Seminar

Title: Ramsey and Anti-Ramsey Multiplicities
Seminar: Combinatorics
Speaker: Michael Young, PhD of Iowa State University
Contact: Dwight Duffus, dwight@mathcs.emory.edu
Date: 2016-12-02 at 4:00PM
Venue: W301
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Abstract:
A classic problem in Ramsey theory is determining, for a given graph G, the largest value of n such that there exist an edge coloring of the complete graph on n vertices that does not contain a monochromatic subgraph that is isomorphic to G. This talk will discuss, asymptotically, how many monochromatic copies of G must exist in an edge coloring of the complete graph on n vertices. This value is known as the Ramsey Multiplicity. A graph is rainbow if each edge of the graph is distinctly colored. We will also discuss Anti-Ramsey Multiplicities, which is the asymptotic maximum number of rainbow copies of a graph G that can exist in an edge coloring of the complete graph on n vertices.

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