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arXiv 2212.09558math.DGmath-phmath.CVmath.MP
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超流形的分次覆盖

Graded covering of a supermanifold

Elizaveta Vishnyakova

摘要:

引入并研究了超流形的$\mathbb Z$ -分次覆盖的概念。更准确地说,Donagi和Witten建议通过微分算子构造出第一个分裂超流形的障碍类。我们证明了这种构造的无限延拓满足某些泛性质,并且可以看作是分次流形范畴中的一个超流形的覆盖。

英文摘要:

We introduce and investigate the notion of a $\mathbb Z$-graded covering for a supermanifold. More precisely, Donagi and Witten suggested a construction of the first obstruction class for splitting of a supermanifold via differential operators. We prove that an infinite prolongation of this construction satisfies some universal properties and can be seen as a covering of a supermanifold in the category of graded manifolds.

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