Abstract
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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Spin structures on Kleinian manifolds
L J Alty1 and A Chamblin1
Published under licence by IOP Publishing Ltd
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Citation L J Alty and A Chamblin 1994 Class. Quantum Grav. 11 2411
DOI 10.1088/0264-9381/11/10/003