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advanced_tools:bianchi_identities [2018/05/03 11:58] jakobadmin [Intuitive] |
advanced_tools:bianchi_identities [2019/01/16 14:25] 129.13.36.189 [Concrete] |
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+ | For an extremely illuminating discussion see | ||
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+ | * [[https://link.springer.com/article/10.1007%2FBF01882731|The Boundary of a Boundary Principle - a unified approach]] by Arkady Kheyfets. | ||
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+ | In addition, good discussion can be found in | ||
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* See chapter 15 in "Gravitation" by Misner Thorne and Wheeler and also | * See chapter 15 in "Gravitation" by Misner Thorne and Wheeler and also | ||
* page 253 in Gauge fields, knots, and gravity by J. Baez | * page 253 in Gauge fields, knots, and gravity by J. Baez | ||
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+ | ---- | ||
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+ | Bianchi identities express the fact that the boundary of a boundary is always zero. Mathematically this follows by applying Stoke's theorem twice. This is discussed explicitly in the book No-Nonsense Electrodynamics by Schwichtenberg | ||