Tag Archives: transformation semigroups

All kinds of mathematics, 4

Posted on 28/07/2017 by Peter Cameron

The fourth day began with a talk by László Babai on his quasi-polynomial algorithm for graph isomorphism. Two longer and more detailed accounts were scheduled for the workshop; this talk gave the context, and an important lemma which underlies the … Continue reading →

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A week in Vienna

Posted on 26/03/2017 by Peter Cameron

Last week, in the second week of Spring break in St Andrews, I was in Vienna, giving a course of lectures to the PhD students, at the invitation of Tomack Gilmore, a Queen Mary undergraduate now finishing his PhD with … Continue reading →

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Permutation groups and transformation semigroups

Posted on 31/07/2015 by Peter Cameron

When I first decided to apply to the LMS to run a Durham symposium on Permutation Groups and Transformation Semigroups, I had a fairly clear idea of what I wanted: topics (both finite and infinite) where the techniques and results … Continue reading →

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