Spin structures on Kleinian manifolds
L J Alty; A Chamblin; L J Alty; Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge CB3 9EW, UK; A Chamblin; Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge CB3 9EW, UK
Журнал:
Classical and Quantum Gravity
Дата:
1994-10-01
Аннотация:
We derive the topological obstruction to spin--Klein cobordism. This result has implications for signature change in general relativity, and for the N=2 superstring.
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