List questions from orbifolds

Published on 20 Jan 2021 - 7:21

78

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SO(3) modded by a finite subgroup

Published on 24 Mar 2021 - 23:10

267

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Help with moduli spaces of four-marked spheres

Published on 27 Apr 2021 - 0:51

59

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The definition of slice (orbifolds)

Published on 30 May 2021 - 11:37

273

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Find an explicit quasi-smooth embedding $X_{38} \subset \mathbb P(5, 6, 8, 19)$

Published on 16 Jul 2021 - 9:17

175

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moduli space of elliptic curves, $\mathbb{H}/SL(2,\mathbb{Z})$ or $\mathbb{H}/PSL(2,\mathbb{Z})$

Published on 03 Aug 2021 - 16:25

415

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Lifting criterion for quotient spaces of non-free group actions

Published on 06 Aug 2021 - 18:35

38

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Problem about orbit size in orbifold

Published on 16 Aug 2021 - 4:50

209

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Describe the orbit structure of the action of $GL_n(\mathbb{R})$ on the space of symmetric matrices

Published on 27 Aug 2021 - 16:08

65

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Circle action on a 5-dimensional manifold and Euler class

Published on 24 Sep 2021 - 19:04

208

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Quotient of 3-torus by $\mathbb{Z}/3\mathbb{Z}$ action

Published on 23 Feb 2026 - 5:12

281

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Euler characteristics of quotient stack/orbifold

Published on 08 Mar 2022 - 12:55

335

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Motivation for the definition of orbifold euler characteristic

Published on 22 Mar 2022 - 18:01

52

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$P(a,b,c)=P(bc,ca,ab)$ weighted projective planes for pairwise coprime $a,b,c$

Published on 09 Apr 2022 - 14:54

66

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Fractional value of orbifold Euler characteristic: confusing definitions

Published on 12 May 2022 - 5:25

List Question

Does the Collection of Graphs not Embeddable in a Fixed Orbifold have a Well-quasi-ordering?

SO(3) modded by a finite subgroup

Help with moduli spaces of four-marked spheres

The definition of slice (orbifolds)

Find an explicit quasi-smooth embedding $X_{38} \subset \mathbb P(5, 6, 8, 19)$

moduli space of elliptic curves, $\mathbb{H}/SL(2,\mathbb{Z})$ or $\mathbb{H}/PSL(2,\mathbb{Z})$

Lifting criterion for quotient spaces of non-free group actions

Problem about orbit size in orbifold

Describe the orbit structure of the action of $GL_n(\mathbb{R})$ on the space of symmetric matrices

Circle action on a 5-dimensional manifold and Euler class

Quotient of 3-torus by $\mathbb{Z}/3\mathbb{Z}$ action

Euler characteristics of quotient stack/orbifold

Motivation for the definition of orbifold euler characteristic

$P(a,b,c)=P(bc,ca,ab)$ weighted projective planes for pairwise coprime $a,b,c$

Fractional value of orbifold Euler characteristic: confusing definitions

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