Speaker: Dr. James Currie

Title: Abelian powers and patterns

Abstract:
Decision problems involving the appearance or non-appearance of patterns 
in strings have been studied for many years. An Abelian square consists of a 
non-empty string followed by a permutation of itself. I will outline several 
methods for studying the avoidability of Abelian squares and cubes, and 
various powers and patterns. Several problems are open and (in my view) 
approachable.