Constant symplectic 2-groupoids

Constant symplectic 2-groupoids
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DOI:
10.1007/s11005-017-1026-z
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发表时间:
2017-02
影响因子:
1.2
通讯作者:
R. Mehta;Xiang Tang
R. Mehta;Xiang Tang
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
R. Mehta;Xiang Tang

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我们提出了辛2-群的一个定义,它包含了最近构造的Courant代数群的积分。我们详细地研究了常辛2群类的简单但具有说明性的情况。我们证明了常辛2群与一类简单的科朗代数群在等价条件下是一一对应的,我们称之为常科朗代数群。此外,我们还发现了某些狄拉克结构与拉格朗日亚-2群之间的对应关系。
We propose a definition of symplectic 2-groupoid which includes integrations of Courant algebroids that have been recently constructed. We study in detail the simple but illustrative case of constant symplectic 2-groupoids. We show that the constant symplectic 2-groupoids are, up to equivalence, in one-to-one correspondence with a simple class of Courant algebroids that we call constant Courant algebroids. Furthermore, we find a correspondence between certain Dirac structures and Lagrangian sub-2-groupoids.