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arXiv math/0608507math.DGmath-phmath.MP
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带边界三维流形上Coulomb联络的完整性

On the Holonomy of the Coulomb Connection over 3-manifolds with Boundary

William E. Gryc

摘要:

纳拉西姆汉和拉马达斯证明,对于S^3上的乘积SU(2)丛,格里博夫歧义最大。具体地说,他们表明,和乐群的库仑连接是密集的连接组件的身份的规范群。这里我们考虑一个有边界的基流形,而不是基流形S^3。在这种有边界的情况下,我们必须在连接形式上包括边界条件。我们将在连接上使用所谓的导体(a.k.a Dirichlet)边界条件。有了这些边界条件,我们将首先证明联络空间是关于相应导体规范群的C^ \infty希尔伯特主丛。我们将考虑这个丛的库仑联络的完整性。如果基流形是R^3的开子集,并且我们使用乘积主丛,我们将证明和乐群又是规范群的单位元的连通分支的稠密子集。

英文摘要:

Narasimhan and Ramadas showed that the Gribov ambiguity was maximal for the product SU(2) bundle over S^3. Specifically they showed that the holonomy group of the Coulomb connection is dense in the connected component of the identity of the gauge group. Instead of base manifold S^3, we consider here a base manifold with a boundary. In this with-boundary case we must include boundary conditions on the connection forms. We will use the so-called conductor (a.k.a Dirichlet) boundary conditions on connections. With these boundary conditions, we will first show that the space of connections is a C^\infty Hilbert principal bundle with respect to the associated conductor gauge group. We will consider the holonomy of the Coulomb connection for this bundle. If the base manifold is an open subset of R^3 and we use the product principal bundle, we will show that the holonomy group is again a dense subset of the connected component of the identity of the gauge group.

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