2 papers
math.QA2014
Formality theorem and bialgebra deformations
V. Hinich, D. Lemberg
In this paper we prove formality of the exterior algebra on V+V* endowed with the big bracket considered as a graded Poisson algebra. We also discuss connection of this result to b…
math.QA2012
Noncommutative unfolding of hypersurface singularity
Vladimir Hinich, Dan Lemberg
A version of Kontsevich Formality theorem is proven for smooth DG algebras. As an application of this, it is proven that any quasiclassical datum of noncommutative unfolding of an…