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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > An explicit construction of the complex of variational calculus and Lie conformal algebra cohomology

## An explicit construction of the complex of variational calculus and Lie conformal algebra cohomologyAdd to your list(s) Download to your calendar using vCal - Kac, V (MIT)
- Thursday 26 March 2009, 15:30-16:30
- Seminar Room 1, Newton Institute.
If you have a question about this talk, please contact Mustapha Amrani. Algebraic Lie Theory Lie conformal algebras encode the singular part of the operator product expansion of chiral fields in conformal field theory, and, at the same time, the local Poisson brackets in the theory of soliton equations. That is why they form an essential part of the vertex algebra and Poisson vertex algebra theories. The structure and cohomology theory of Lie conformal algebras was developed about 10 years ago. In a recent joint work with Alberto De Sole we show that the Lie conformal algebra cohomology can be used to explicitly construct the complex of calculus of variations, which is the resolution of the variational derivative map of Euler and Lagrange. This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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