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arXiv 1111.2723math.ATmath.QA
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A-无穷代数中的同伦单位

Homotopy units in A-infinity algebras

Fernando Muro

摘要:

我们证明了从结合操作数到酉结合操作数的正则映射是一类广泛的对称monoidal模型范畴的同伦满态。因此,给定对象上的单位结合代数结构空间直到同伦是非单位结合代数结构空间的连通分支的子集。

英文摘要:

We show that the canonical map from the associative operad to the unital associative operad is a homotopy epimorphism for a wide class of symmetric monoidal model categories. As a consequence, the space of unital associative algebra structures on a given object is up to homotopy a subset of connected components of the space of non-unital associative algebra structures.

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