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G-twisted braces and orbifold Landau-Ginzburg Models (1801.04560v1)
Published 14 Jan 2018 in math.QA, hep-th, math-ph, and math.MP
Abstract: Given an algebra with group $G$-action, we construct brace structures for its $G$-twisted Hochschild cochains. An an application, we construct $G$-Frobenius algebras for orbifold Landau-Ginzburg B-models and present explicit orbifold cup product formula for all invertible polynomials.
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