Pure Maths Colloquium: Cohomology of hyperkaehler manifolds
22 May 2006 00:00 in CM221
"Compact hyperkaehler manifolds are Kaehler manifolds admitting a holomorphic symplectic form. Using the methods of representation theory, it is possible to describe the algebraic structure of cohomology ring of a hyperkaehler manifold. In particular, one can show that the subalgebra of cohomology generated by H2(M) is free, up to middle degree."
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