I am looking for an example of a finite Riemannian covering map $\pi: (\tilde{M}, \tilde{g}) \to (M, g)$, where $M$ is closed, which is not a regular covering map. Any hints or suggestions are very much appreciated.
2026-03-27 22:20:11.1774650011
Example of non-regular Riemannian covering map
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