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  Breaking and restoring of diffeomorphism symmetry in discrete gravity

Bahr, B., & Dittrich, B. (2009). Breaking and restoring of diffeomorphism symmetry in discrete gravity. American Institute of Physics Conference Proceedings, 1196(1), 10-17.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-611E-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-6121-E
Genre: Conference Paper

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0909.5688v1.pdf (Preprint), 64KB
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 Creators:
Bahr, Benjamin1, Author              
Dittrich, Bianca1, Author              
Affiliations:
1Canonical and Covariant Dynamics of Quantum Gravity, AEI Golm, MPI for Gravitational Physics, Max Planck Society, ou_102878              

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 Abstract: We discuss the fate of diffeomorphism symmetry in discrete gravity. Diffeomorphism symmetry is typically broken by the discretization. This has repercussions for the observable content and the canonical formulation of the theory. It might however be possible to construct discrete actions, so--called perfect actions, with exact symmetries and we will review first steps towards this end.

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 Dates: 2009
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1063/1.3284371
Other: arXiv:0909.5688
 Degree: -

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Title: THE PLANCK SCALE: Proceedings of the XXV Max Born Symposium
Place of Event: Wroclaw
Start-/End Date: 2009-06-29 - 2009-07-03

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Title: American Institute of Physics Conference Proceedings
  Alternative Title : AIP Conf. Proc.
Source Genre: Journal
 Creator(s):
Kowalski-Glikman, J., Editor
Affiliations:
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Publ. Info: New York : American Institute of Physics
Pages: - Volume / Issue: 1196 (1) Sequence Number: - Start / End Page: 10 - 17 Identifier: Other: 954928528968
Other: 0094-243X