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Title: Metric symmetries and spin asymmetries of Ricci-flat Riemannian manifolds
Authors: McInnes, B. 
Issue Date: Mar-1999
Source: McInnes, B. (1999-03). Metric symmetries and spin asymmetries of Ricci-flat Riemannian manifolds. Journal of Mathematical Physics 40 (3) : 1255-1267. ScholarBank@NUS Repository.
Abstract: The Calabi-Yau and Joyce manifolds used in string and M-theory compactifications have no continuous groups of isometries, but they often have nontrivial discrete (actually finite) isometry groups. Discrete isometrics of nonsimply connected Riemannian manifolds do not necessarily map spin structures into themselves, however; thus, inconsistencies are possible if a spin connection is used to construct the gauge vacuum. We consider this problem in detail and show how it may be avoided. © 1999 American Institute of Physics.
Source Title: Journal of Mathematical Physics
ISSN: 00222488
Appears in Collections:Staff Publications

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