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math.AT1999
Berikashvili's functor D and the deformation equation
Johannes Huebschmann
Berikashvili's functor D defined in terms of twisting cochains is related to deformation theory, gauge theory, Chen's formal power series connections, and the master equation in ph…
math.AG1999
Formal solution of the master equation via HPT and deformation theory
Johannes Huebschmann, Jim Stasheff
We construct a solution of the master equation by means of standard tools from homological perturbation theory under just the hypothesis that the ground field be of characteristic…