Spin structures of flat manifolds of diagonal type
classification
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math.GT
keywords
coversflatmanifoldsspinclassesclosedconstructdiagonal
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For each integer $d$ at least two, we construct non-spin closed oriented flat manifolds with holonomy group $\mathbb Z_2^d$ and with the property that all of their finite proper covers have a spin structure. Moreover, all such covers have trivial Stiefel-Whitney classes.
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