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arXiv 1306.3943math.SGmath-phmath.CTmath.MP
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关系辛群胚与带边界Poisson sigma模型

Relational symplectic groupoids and Poisson sigma models with boundary

Ivan Contreras

摘要:

我们引入关系辛广群的概念作为一种方式来整合泊松流形一般,通过泊松西格玛模型(PSM)的建设由Cattaneo和费尔德。我们扩展这样的建设无限维的设置,在那里我们能够描述沉浸拉格朗日Bannach子流形的关系辛广群。这对应于“扩展辛范畴”中的广群对象,并且它可以通过约化与辛广群的通常版本相关。在此基础上,对一类特殊的关系辛群胚,我们证明了这样一个对象的存在性以及相容泊松结构的唯一性。我们开发的概念等价,使我们能够比较有限和无限维的例子。我们讨论了一些其他的扩展到不同的类别,关系的建设仍然是有意义的,在努力更好地理解几何量化的辛流形在这个新的角度。

英文摘要:

We introduce the notion of relational symplectic groupoid as a way to integrate Poisson manifolds in general, following the construction through the Poisson sigma model (PSM) given by Cattaneo and Felder. We extend such construction to the infinite dimensional setting, where we are able to describe the relational symplectic groupoid in terms of immersed Lagrangian Bannach submanifolds. This corresponds to a groupoid object in the "extended symplectic category" and it can be related to the ususal version of symplectic groupoids via reduction. We prove the existence of such an object for any Poisson manifold and the uniqueness of a compatible Poisson structure on the base, for a special type of relational symplectic groupoids. We develop the notion of equivalence, that allows us to compare finite and infinite dimensional examples. We discuss some other extensions to different categories, where the relational construction still make sense, in an effort to understand better geometric quantization of symplectic manifolds in this new perspective.

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