KdV括号的双Hamilton上同调
Bihamiltonian cohomology of KdV brackets
摘要:
利用谱序列技术,我们计算了无色散KdV谱系的泊松括号束的双汉密尔顿上同调群。特别是这证明了一个猜想刘和张约消失的上同调群。
英文摘要:
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.
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