Equivariant Novikov inequalities
Maxim Braverman, Michael Färber
Abstract
Open-access reader
Maxim Braverman, Michael Färber
Abstract
Open-access reader
We establish an equivariant generalization of the Novikov inequalities which allow to estimate the topology of the set of critical points of a closed basic invariant form by means of twisted equivariant cohomology of the manifold. We apply these inequalities to study cohomology of the fixed points set of a symplectic torus action. We show that in this case our inequalities are perfect, i.e. they are in fact equalities.
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We establish an equivariant generalization of the Novikov inequalities which allow to estimate the topology of the set of critical points of a closed basic invariant form by means of twisted equivariant cohomology of the manifold. We apply these inequalities to study cohomology of the fixed points set of a symplectic torus action. We show that in this case our inequalities are perfect, i.e. they are in fact equalities.
Key concepts: Equivariant map, Mathematics, Novikov self-consistency principle, Equivariant cohomology, Pure mathematics, Generalization, Invariant (physics), Inequality