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THE HOMOTOPY BRACES FORMALITY MORPHISM

机译:同态支撑形式形态

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We extend Kontsevich's formality morphism to a homotopy braces morphism and to a homotopy Gerstenhaber morphism. We show that this morphism is homotopic to Tamarkin's formality morphism, obtained using formality of the little disks operad, if in the latter construction one uses the Alekseev-Torossian associator. Similar statements can also be shown in the "chains" case, that is, on Hochschild homology instead of cohomology. This settles two well-known and long-standing problems in deformation quantization and unifies the several known graphical constructions of formality morphisms and homotopies by Kontsevich, Shoikhet, Calaque, Rossi, Alm, Cattaneo, Felder, and the author.
机译:我们将Kontsevich的形式态态扩展到同构括号态和同态Gerstenhaber态态。我们表明,如果在后一种构造中使用Alekseev-Torossian关联器,则该态与Tamarkin的形式态是同构的,Tamarkin的形式态是使用操作的小磁盘形式获得的。类似的陈述也可以在“链”情况下显示,即用Hochschild同源性而不是同态性。这解决了变形量化中两个众所周知且长期存在的问题,并统一了Kontsevich,Shoikhet,Calaque,Rossi,Alm,Cattaneo,Felder和作者的几种形式化形态和同构的已知图形构造。

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