Holmstrom Leibniz cohomology

Leibniz cohomology

See Loday and Lodder


Leibniz cohomology

Lodder abstract:

The goal of this paper is to extend Loday’s Leibniz cohomology from a Lie algebra invariant to an invariant for differentiable manifolds so that Leibniz cohomology is a non-commutative version of de Rham cohomology. The non-commutativity arises by considering a cochain complex of tensors (from differential geometry) which are not necessarily skew-symmetric. Leibniz cohomology, HL^, is no longer a homotopy invariant—in fact the first obstruction to the homotopy invariance of HL^(R^n) is the universal Godbillon-Vey invariant in dimension 2n+1. The main calculational result of the paper is then a calculation of HL^(R^n) in terms of (i) certain universal invariants of foliations, and (ii) Loday’s product structure on HL^. Unlike Lie algebra or Gelfand-Fuks cohomology, the Leibniz cohomology of vector fields on R^n contains infinite families of elements which support non-trivial products.

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Leibniz cohomology

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Leibniz cohomology

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Leibniz cohomology

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Created on June 10, 2014 at 21:14:54 by Andreas Holmström