Bihamiltonian Cohomology of KdV Brackets

Open Access
Authors
Publication date 2016
Journal Communications in Mathematical Physics
Volume | Issue number 341 | 3
Pages (from-to) 805-819
Organisations
  • Faculty of Science (FNWI) - Korteweg-de Vries Institute for Mathematics (KdVI)
Abstract Using spectral sequences techniques we compute the bihamiltonian cohomology groups of the pencil of Poisson brackets of dispersionless KdV hierarchy. In particular, this proves a conjecture of Liu and Zhang about the vanishing of such cohomology groups.
Document type Article
Language English
Published at https://doi.org/10.1007/s00220-015-2540-4
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