Charlotte Scott Centre for Algebra

On Wednesday the 18th of April 2018, Martyn Quick (St Andrews) will be visiting Lincoln and giving a seminar at 3.30pm in INB 3305. His talk details are as follows:

Title: Presentations for Thompson’s infinite simple group V and some of its generalisations

Abstract:

Thompson’s group V is probably one of the best known examples of a finitely presented infinite simple group. The presentation originally given by Thompson in his notes has remained the best in terms of fewest generators and relations until very recently. I will present recent work with Collin Bleak that gives new presentations for V including one involving fewer relations than Thompson’s presentation. There are a number of other infinite simple groups that arise as generalisations of Thompson’s group V. One set of examples are the groups nV (for positive integers n) introduced by Brin and that act upon n-dimensional Cantor space. I will present ongoing…

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