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Positively curved Riemannian manifolds

answered Dec 27, 2022 at 22:55

4 votes

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Maximum symmetry metric on Cayley plane $ F_4/{\operatorname{Spin}(9)}$

answered Jan 22, 2023 at 2:23

4 votes

Examples of the varying strengths of topological invariants

answered Jan 2, 2010 at 18:49

4 votes

Fundamental Examples

answered Nov 23, 2009 at 2:02

4 votes

Abelianization of Lie groups

answered Nov 13, 2009 at 3:08

4 votes

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Is there an easy example of group action where the slice theorem produces a non-trivial principal bundle?

answered Feb 16, 2018 at 19:54

4 votes

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Principal bundles from a fibration of homogeneous spaces

answered Sep 21, 2021 at 15:44

3 votes

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Cohomogeneity one action on $S^7$-bundles over $S^8$

answered Sep 9, 2020 at 22:15

3 votes

Appearances of 'exotic' compact Lie Groups

answered May 21, 2011 at 4:38

3 votes

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Smoothness of frame bundle of (global) orbifolds [reference request]

answered Jun 24, 2010 at 2:17

3 votes

Fundamental Examples

answered Nov 23, 2009 at 1:54

3 votes

Can a non-surjective polynomial map from an infinite field to itself miss only finitely many points?

answered Nov 30, 2009 at 3:01

2 votes

How do you find the potential function V of the gradient system?

answered Mar 15, 2010 at 2:21

2 votes

a small questions about hopf theorem

answered Mar 27, 2010 at 14:03

1 vote

Ternary relations that are not binary functions

answered Jan 31, 2010 at 1:45

1 vote

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noncompact Riemannian homogeneous is trivial vector bundle over compact homogeneous

answered Dec 8, 2021 at 20:19

1 vote

A Krull-Schmidt Theorem for Lie groups?

answered Mar 6, 2023 at 22:33

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47 Answers

Positively curved Riemannian manifolds

Maximum symmetry metric on Cayley plane $ F_4/{\operatorname{Spin}(9)}$

Examples of the varying strengths of topological invariants

Fundamental Examples

Abelianization of Lie groups

Is there an easy example of group action where the slice theorem produces a non-trivial principal bundle?

Principal bundles from a fibration of homogeneous spaces

Cohomogeneity one action on $S^7$-bundles over $S^8$

Appearances of 'exotic' compact Lie Groups

Smoothness of frame bundle of (global) orbifolds [reference request]

Fundamental Examples

Can a non-surjective polynomial map from an infinite field to itself miss only finitely many points?

How do you find the potential function V of the gradient system?

a small questions about hopf theorem

Ternary relations that are not binary functions

noncompact Riemannian homogeneous is trivial vector bundle over compact homogeneous

A Krull-Schmidt Theorem for Lie groups?