Mathematics – Rings and Algebras
Scientific paper
2008-12-30
Mathematics
Rings and Algebras
11 pages
Scientific paper
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 entirely clear. We give here a "good" interpretation and show that the resulting formality statement is equivalent to formality on cyclic chains as conjectured by Tsygan and proved recently by several authors.
Cattaneo Alberto S.
Felder Giovanni
Willwacher Thomas
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