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arXiv math/0212354math.DGhep-th
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奇辛几何中的拉普拉斯算子

Laplacians in Odd Symplectic Geometry

Hovhannes M. Khudaverdian

摘要:

我们考虑奇辛几何中的奇拉普拉斯算子。基于语义(密度的重量1/2)的方法。语义的Batalin-Vilkovisky形式主义的作用进行了说明。特别地,我们研究了奇辛子流形上的半空间与纯偶拉格朗日子流形上的微分形式之间的关系。利用正则奇拉普拉斯算子作用于半空间,建立了奇辛超流形上体积形式正规性的一个判别准则。

英文摘要:

We consider odd Laplace operators arising in odd symplectic geometry. Approach based on semidensities (densities of weight 1/2) is developed. The role of semidensities in the Batalin--Vilkovisky formalism is explained. In particular, we study the relations between semidensities on an odd symplectic supermanifold and differential forms on a purely even Lagrangian submanifold. We establish a criterion of ``normality'' of a volume form on an odd symplectic supermanifold in terms of the canonical odd Laplacian acting on semidensities.

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