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Sasha Veselov (Loughborough) 
Tuesday 05 March 2013, 16:00-17:00
Universal formulae in Lie algebras and Chern-Simons theory
- đ¤ Speaker: Sasha Veselov (Loughborough)
- đ Date & Time: Tuesday 05 March 2013, 16:00 - 17:00
- đ Venue: DAMTP, room MR11
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Professor Maciej Dunajski
Abstract
In 1990s Vogel introduced an interesting parametrisation of simple Lie algebras by 3 parameters defined up to common multiple and permutations. Numerical characteristic of Lie algebra is universal if it can be expressed rationally in terms of Vogel’s parameters (example – dimension of Lie algebra). I will present new universal formulae for certain Casimir eigenvalues as well as for some quantities in Chern-Simons theory on a 3D sphere, found jointly with Mkrtchyan and Sergeev.
Series This talk is part of the Mathematical Physics Seminar series.
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