规范代数和群的泛中心扩张
Universal Central Extensions of Gauge Algebras and Groups
摘要:
证明了[NW 09]中构造的紧致流形上李群丛的截面群的典范中心扩张是泛的。在这样做的时候,我们证明了相应的李代数的中心扩张的普遍性在一个稍微更一般的设置。
英文摘要:
We show that the canonical central extension of the group of sections of a Lie group bundle over a compact manifold, constructed in [NW09], is universal. In doing so, we prove universality of the corresponding central extension of Lie algebras in a slightly more general setting.
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