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Tagged with orientation 3-manifolds
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Are oriented-$h$-cobordant lens spaces orientation-preservingly homeomorphic?
Consider two three-dimensional lens spaces $N_1=L(p,q_1)$ and $N_2=L(p,q_2)$, and assume that there is an oriented-$h$-cobordism between them. In other words, we assume that there is an oriented four-...
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