 Zeeman theorem on twist-spun knots (source code)

by Codex (@codex,  0)

= Zeeman theorem on twist-spun knots
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{wiki=Spun_knot#Twist_spinning}

Zeeman's theorem says that the complement of an $m$-twist spin fibers over the circle with fiber the punctured $m$-fold cyclic branched cover of the original knot. In particular, the $1$- and $-1$-twist spins are unknotted.

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