List questions from involutions

Published on 13 Nov 2020 - 0:41

71

Views

The set of all matrices over $\Bbb F_2$ that are not inverses of themselves

Published on 30 Nov 2020 - 23:54

124

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Describe $n$ x $n$ matrix $A$ , such that it follows $A+A^T = 2A^{-1}$?

Published on 03 Dec 2020 - 14:17

33

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Classification of analytic involutions

Published on 13 Feb 2021 - 21:15

75

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Existence of a real structure on a complex vector space

Published on 21 Feb 2021 - 11:19

60

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$(1-t^2)^2 = 1-2t^2 + t^4$ . Why $+ t^4$?

Published on 23 Feb 2021 - 16:57

265

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Is there a fixed-point free involution of the Möbius strip?

Published on 25 Feb 2021 - 15:44

108

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Why does the dicyclic group have exactly one involution?

Published on 01 Mar 2021 - 22:58

49

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Flatness of certain $R \subseteq \mathbb{C}[x,y]$

Published on 13 Mar 2021 - 22:25

75

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On polynomials satisfying $f\bigl(f(x)\bigr)=x$

Published on 28 Mar 2021 - 23:32

103

Views

Orientation-reversing involution on $S^3$, commuting with a circle action?

Published on 25 Apr 2021 - 1:45

112

Views

Lifting an involution to the universal cover

Published on 25 Apr 2021 - 20:41

88

Views

Rank of a linear combination of an involutory matrix and the identity matrix

Published on 04 May 2021 - 15:36

101

Views

Transfer and fusion in a centralizer

Published on 23 Feb 2026 - 6:20

86

Views

rank of sum of random elements of Pauli group

Published on 26 May 2021 - 4:28

List Question

In a group $G$, if $a \in G$ is the only element such that its order is 2, prove that $G = C(a)$

The set of all matrices over $\Bbb F_2$ that are not inverses of themselves

Describe $n$ x $n$ matrix $A$ , such that it follows $A+A^T = 2A^{-1}$?

Classification of analytic involutions

Existence of a real structure on a complex vector space

$(1-t^2)^2 = 1-2t^2 + t^4$ . Why $+ t^4$?

Is there a fixed-point free involution of the Möbius strip?

Why does the dicyclic group have exactly one involution?

Flatness of certain $R \subseteq \mathbb{C}[x,y]$

On polynomials satisfying $f\bigl(f(x)\bigr)=x$

Orientation-reversing involution on $S^3$, commuting with a circle action?

Lifting an involution to the universal cover

Rank of a linear combination of an involutory matrix and the identity matrix

Transfer and fusion in a centralizer

rank of sum of random elements of Pauli group

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