paper

Beltrami-Courant Differentials and -algebras

arXiv:1404.3069 · doi:10.4310/ATMP.2015.v19.n6.a3

Abstract

Using the symmetry properties of two-dmensional sigma models, we introduce a notion of the Beltrami-Courant differential, so that there is a natural homotopy Gerstenhaber algebra related to it. We conjecture that the generalized Maurer-Cartan equation for the corresponding subalgebra gives solutions to the Einstein equations.

22 pages, v4: minor revisions, to appear in Adv. Theor. Math. Phys

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