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math.RA2012
Operadic Twisting -- with an application to Deligne's conjecture
Vasily Dolgushev, Thomas Willwacher
We study categorial properties of the operadic twisting functor Tw. In particular, we show that Tw is a comonad. Coalgebras of this comonad are operads for which a natural notion o…
math.RA2008★ 3 cited
On L-infinity morphisms of cyclic chains
Alberto S. Cattaneo, Giovanni Felder, Thomas Willwacher
Recently the first two authors constructed an L-infinity morphism using the S^1-equivariant version of the Poisson Sigma Model (PSM). Its role in deformation quantization was not e…