N-point Virasoro Algebras Considered as Krichever–Novikov Type Algebras

DOI10.1007/978-3-319-31756-4_23zbMath1427.17035OpenAlexW2197108496MaRDI QIDQ5349044

Martin Schlichenmaier

Publication date: 22 August 2017

Published in: Trends in Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/978-3-319-31756-4_23

zbMATH Keywords

conformal field theoryLie algebra cohomologycentral extensionsWitt algebraVirasoro algebraaffine algebrasKrichever-Novikov type algebrasalmost-grading

Mathematics Subject Classification ID

Virasoro and related algebras (17B68) Two-dimensional field theories, conformal field theories, etc. in quantum mechanics (81T40) Lie algebras of vector fields and related (super) algebras (17B66) Infinite-dimensional groups and algebras motivated by physics, including Virasoro, Kac-Moody, (W)-algebras and other current algebras and their representations (81R10) Infinite-dimensional Lie (super)algebras (17B65) Cohomology of Lie (super)algebras (17B56) Differentials on Riemann surfaces (30F30)

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