{ "id": "1310.0318", "version": "v3", "published": "2013-10-01T14:24:34.000Z", "updated": "2015-01-27T11:37:41.000Z", "title": "A Characterization of Invariant Connections", "authors": [ "Maximilian Hanusch" ], "journal": "SIGMA 10 (2014), 025, 25 pages", "doi": "10.3842/SIGMA.2014.025", "categories": [ "math-ph", "math.MP" ], "abstract": "Given a principal fibre bundle with structure group $S$, and a fibre transitive Lie group $G$ of automorphisms thereon, Wang's theorem identifies the invariant connections with certain linear maps $\\psi\\colon \\mathfrak{g}\\rightarrow \\mathfrak{s}$. In the present paper, we prove an extension of this theorem which applies to the general situation where $G$ acts non-transitively on the base manifold. We consider several special cases of the general theorem, including the result of Harnad, Shnider and Vinet which applies to the situation where $G$ admits only one orbit type. Along the way, we give applications to loop quantum gravity.", "revisions": [ { "version": "v2", "updated": "2014-03-15T06:28:48.000Z", "abstract": "Given a principal fibre bundle with structure group $S$ and a fibre transitive Lie group $G$ of automorphisms thereon, Wang's theorem identifies the invariant connections with certain linear maps $\\psi\\colon \\mathfrak{g}\\rightarrow \\mathfrak{s}$. In the present paper we prove an extension of this theorem that applies to the general situation where $G$ acts non-transitively on the base manifold. We consider several special cases of the general theorem including the result of Harnad, Shnider and Vinet which applies to the situation where $G$ admits only one orbit type. Along the way we give applications to loop quantum gravity.", "comment": null, "journal": "SIGMA 10 (2014), 025, 24 pages" }, { "version": "v3", "updated": "2015-01-27T11:37:41.000Z" } ], "analyses": { "subjects": [ "22F50", "53C05" ], "keywords": [ "invariant connections", "characterization", "principal fibre bundle", "wangs theorem identifies", "loop quantum gravity" ], "tags": [ "journal article" ], "publication": { "journal": "SIGMA", "year": 2014, "month": "Mar", "volume": 10, "pages": "025" }, "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "inspire": 1294994, "adsabs": "2014SIGMA..10..025H" } } }