List questions from algebras

Published on 21 Oct 2014 - 15:28

1.2k

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Showing $\mathbb{H}$ is isomorphic to a subring of $M_2(\mathbb{C})$ as $\mathbb{R}$-algebras

Published on 22 Oct 2014 - 15:48

135

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Proove a fact about $\sigma$-algebras in preparation for Kolmogorov's zero–one law

Published on 05 Nov 2014 - 19:05

112

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Quotient of noncommutative algebra

Published on 06 Nov 2014 - 14:32

610

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Automorphism of the matrix algebra is an inner automorphism

Published on 07 Nov 2014 - 0:20

387

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Multiplicity of a dual simple module in the dual module?

Published on 07 Nov 2014 - 12:25

39

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$M_n$ equivalent to the $C^*$-algebra generated by Jordan Block?

Published on 16 Nov 2014 - 22:11

257

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If $V$ is a quasi-affine variety, the algebra $k[V]$ is isomorphic to a subalgebra of a finitely generated $k$-algebra?

Published on 22 Nov 2014 - 5:55

43

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Showing $f\notin \overline{S[a,b]}$

Published on 24 Nov 2014 - 5:32

94

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References about "algebras over monoids"

Published on 30 Nov 2014 - 12:35

81

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Example of a semi-simple $\mathbb{R}$ algebra

Published on 04 Dec 2014 - 5:22

316

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Definition of rank of an element in tensor algebra

Published on 23 Feb 2026 - 2:30

49

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Affine Hecke algebras and Lusztig relations

Published on 01 Jan 2015 - 23:12

104

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Number of subalgebras of dimension $e$ of a finite dimensional algebra over $F_q$ of dimension $d$

Published on 02 Jan 2015 - 4:56

39

Views

Prove that |Λ/e| = |Λ|-|P|

Published on 24 Mar 2026 - 1:19

List Question

Subalgebra Definition

Showing $\mathbb{H}$ is isomorphic to a subring of $M_2(\mathbb{C})$ as $\mathbb{R}$-algebras

Proove a fact about $\sigma$-algebras in preparation for Kolmogorov's zero–one law

Quotient of noncommutative algebra

Automorphism of the matrix algebra is an inner automorphism

Multiplicity of a dual simple module in the dual module?

$M_n$ equivalent to the $C^*$-algebra generated by Jordan Block?

If $V$ is a quasi-affine variety, the algebra $k[V]$ is isomorphic to a subalgebra of a finitely generated $k$-algebra?

Showing $f\notin \overline{S[a,b]}$

References about "algebras over monoids"

Example of a semi-simple $\mathbb{R}$ algebra

Definition of rank of an element in tensor algebra

Affine Hecke algebras and Lusztig relations

Number of subalgebras of dimension $e$ of a finite dimensional algebra over $F_q$ of dimension $d$

Prove that |Λ/e| = |Λ|-|P|

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