Seminar talk, 16 November 2011

Speaker: Alexander Verbovetsky

Title: On computation of the Hamiltonian cohomology

Abstract:
It is known that the possibility to construct an hierarchy of bi-Hamiltonian systems by the Magri scheme is related to the hard to compute Hamiltonian cohomology of one of the two Hamiltonian operators. The talk will discuss recent results on this cohomology from the articles [1] and [2].

References:
[1] Alberto De Sole and Victor G. Kac, Essential variational Poisson cohomology, http://arxiv.org/abs/1106.5882

[2] Alberto De Sole and Victor G. Kac, The variational Poisson cohomolgy, http://arxiv.org/abs/1106.0082