G-twisted braces and orbifold Landau-Ginzburg Models
arXiv:1801.04560 · doi:10.1007/s00220-019-03653-8
Abstract
Given an algebra with group -action, we construct brace structures for its -twisted Hochschild cochains. An an application, we construct -Frobenius algebras for orbifold Landau-Ginzburg B-models and present explicit orbifold cup product formula for all invertible polynomials.
42 pages. Comments are welcome