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Unit sphere fibrations in Euclidean space

Published online by Cambridge University Press:  07 March 2024

Florian Frick
Affiliation:
Department of Mathematical Sciences, Carnegie Mellon University, Pittsburgh, PA, USA Department of Mathematics, Institute for Advanced Study, Princeton, NJ, USA (asimov@msri.org; frick@cmu.edu; mah5044@gmail.com; wes@math.cmu.edu)
Michael Harrison
Affiliation:
Department of Mathematical Sciences, Carnegie Mellon University, Pittsburgh, PA, USA Department of Mathematics, Institute for Advanced Study, Princeton, NJ, USA (asimov@msri.org; frick@cmu.edu; mah5044@gmail.com; wes@math.cmu.edu)
Wesley Pegden
Affiliation:
Department of Mathematical Sciences, Carnegie Mellon University, Pittsburgh, PA, USA Department of Mathematics, Institute for Advanced Study, Princeton, NJ, USA (asimov@msri.org; frick@cmu.edu; mah5044@gmail.com; wes@math.cmu.edu)

Abstract

We show that if an open set in $\mathbb{R}^d$ can be fibered by unit n-spheres, then $d \geq 2n+1$, and if $d = 2n+1$, then the spheres must be pairwise linked, and $n \in \left\{0, 1, 3, 7 \right\}$. For these values of n, we construct unit n-sphere fibrations in $\mathbb{R}^{2n+1}$.

Type
Research Article
Copyright
© The Author(s), 2024. Published by Cambridge University Press on Behalf of The Edinburgh Mathematical Society.

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