Thompson's chameleons: F, V, T

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• Dr Andrew Duncan (Newcastle University)
• Friday 01 March 2019, 19:00-20:00
• MR2, Centre for Mathematical Sciences.

If you have a question about this talk, please contact Valentin Hübner.

While working on problems in logic in the 1960’s, Richard J. Thompson discovered a family of groups, now called F, T and V, which have simple definitions and give rise to many examples as well as tantalising problems. The groups were subsequently found to occur in several other guises: in work on infinite simple groups, homotopy and shape theory, group co-homology, dynamical systems, knot theory and analysis, and have been generalised in several different ways.

I will describe F,T and V, in a few different ways, outline some important features and describe one way in which they arise as dynamical systems.

This talk is part of the The Archimedeans (CU Mathematical Society) series.

This talk is included in these lists:

• Guy Emerson's list
• MR2, Centre for Mathematical Sciences
• The Archimedeans (CU Mathematical Society)
• bld31
• ob366-ai4er

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