Isospectral and not strongly isospectral spherical space forms with non-cyclic fundamental group

Mauro Colantonio

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arXiv · 2609.01920

Isospectral and not strongly isospectral spherical space forms with non-cyclic fundamental group

Mauro Colantonio

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Abstract

We construct the first examples of isospectral but not strongly isospectral spherical space forms with non-cyclic fundamental groups. We obtain infinitely many such pairs with isomorphic fundamental groups of Type I.

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Mauro Colantonio. 2026-09-01. Isospectral and not strongly isospectral spherical space forms with non-cyclic fundamental group. https://arxiv.org/abs/2609.01920

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