Differential Characters on Orbifolds and String Connections I

Differential Characters on Orbifolds and String Connections I
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DOI:
10.1090/conm/403/07598
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发表时间:
2003-11
期刊:
arXiv: Differential Geometry
影响因子:
--
通讯作者:
Ernesto Lupercio;B. Uribe
Ernesto Lupercio;B. Uribe
中科院分区:
其他
文献类型:
--
作者:
Ernesto Lupercio;B. Uribe

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在这篇文章中,我们引进了一个整体商orbiold的Cheeger-Simons上同调。我们证明了奥比福尔德的Cheeger-Simons上同调与它的Beilinson-Deligne上同调同构。此外,我们从一个全局GERBE构造了一个字符串连接(\`{a}la Segal),并在循环或双环上建立了连接,精化了相应的差异字符。
In this paper we introduce the Cheeger-Simons cohomology of a global quotient orbifold. We prove that the Cheeger-Simons cohomology of the orbifold is isomorphic to its Beilinson-Deligne cohomology. Furthermore we construct a string connection (\`{a} la Segal) from a global gerbe with connection over the loop orbifold, refining the corresponding differential character.