List questions from covering-spaces

Published on 25 Aug 2016 - 1:14

189

Views

Lifting of a etale cover over a normal crossing divisor.

Published on 27 Aug 2016 - 21:29

154

Views

Covering map of the torus boundary onto itself, lifting from the projective space

Published on 31 Aug 2016 - 12:15

123

Views

Group of isometries acting on a plane

Published on 31 Aug 2016 - 18:03

527

Views

Covering map and the commutant, wedge sum of circles

Published on 01 Sep 2016 - 18:49

99

Views

Can $bab$ be a generator of the following covering space?

Published on 26 Mar 2026 - 17:32

1.9k

Views

Why compact genus 1 Riemann surface is equivalent to torus?

Published on 25 Mar 2026 - 10:52

627

Views

How to prove Shapiro's lemma for homology of spaces?

Published on 20 Sep 2016 - 12:05

88

Views

Galois Covering of $P^1$ over $\mathbb{Q}$

Published on 22 Sep 2016 - 21:20

1k

Views

Determine the covering space of $S^1 \vee S^1$ corresponding to subgroup of $\pi_1(S^1 \vee S^1)$ generated by cubes of all elements.

Published on 30 Sep 2016 - 21:53

328

Views

Pseudosphere covered by upper half-plane

Published on 16 Oct 2016 - 2:59

76

Views

Prove that $[7, 9]$ is covered by this family of intervals

Published on 23 Feb 2026 - 13:37

63

Views

What is a counter example to this theorem: if $(E,p)$ covering space of connected space $B$, then $|p^{-1}(b)|$ is same for all $b \in B$.

Published on 23 Oct 2016 - 8:11

418

Views

What is a degree $2$ covering of $S$ by a surface $S'$ of genus $3$?

Published on 23 Oct 2016 - 20:58

123

Views

Radius in which the projection of the orientable double cover of a manifold is an isometry

Published on 09 Nov 2016 - 1:22

List Question

Subgroups of covering space actions

Lifting of a etale cover over a normal crossing divisor.

Covering map of the torus boundary onto itself, lifting from the projective space

Group of isometries acting on a plane

Covering map and the commutant, wedge sum of circles

Can $bab$ be a generator of the following covering space?

Why compact genus 1 Riemann surface is equivalent to torus?

How to prove Shapiro's lemma for homology of spaces?

Galois Covering of $P^1$ over $\mathbb{Q}$

Determine the covering space of $S^1 \vee S^1$ corresponding to subgroup of $\pi_1(S^1 \vee S^1)$ generated by cubes of all elements.

Pseudosphere covered by upper half-plane

Prove that $[7, 9]$ is covered by this family of intervals

What is a counter example to this theorem: if $(E,p)$ covering space of connected space $B$, then $|p^{-1}(b)|$ is same for all $b \in B$.

What is a degree $2$ covering of $S$ by a surface $S'$ of genus $3$?

Radius in which the projection of the orientable double cover of a manifold is an isometry

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