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arXiv math-ph/0001006math-phhep-thmath.MP
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广义联络的规范轨道类型

Gauge Orbit Types for Generalized Connections

Christian Fleischhack

摘要:

不同版本的定义Ashtekar的广义连接的研究取决于所选择的光滑类别的路径和图形-标签集的投影极限。我们的定义涵盖了分析的情况以及网络的情况。然后对紧结构群确定了广义联络的轨道类型。联络的稳定子同胚于它的完整中心化子,即它的完整群的中心化子,并且规范轨道的同胚类完全由完整中心化子决定。此外,两个联络的稳定子在规范群中共轭当且仅当它们的完整中心化子在结构群中共轭。最后,通过稳定子将联络的规范轨道类型定义为它的完整中心化子的共轭类,等价于标准定义。

英文摘要:

Different versions for defining Ashtekar's generalized connections are investigated depending on the chosen smoothness category for the paths and graphs -- the label set for the projective limit. Our definition covers the analytic case as well as the case of webs. Then the orbit types of the generalized connections are determined for compact structure groups. The stabilizer of a connection is homeomorphic to the holonomy centralizer, i.e. the centralizer of its holonomy group, and the homeomorphism class of the gauge orbit is completely determined by the holonomy centralizer. Furthermore, the stabilizers of two connections are conjugate in the gauge group if and only if their holonomy centralizers are conjugate in the structure group. Finally, the gauge orbit type of a connection is defined to be the conjugacy class of its holonomy centralizer equivalently to the standard definition via stabilizers.

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