Question

$\operatorname{Hom}_A(M, N)$ and $M^* \otimes_A N$

score 31 · Answer 1 · 2023-10-12 07:28:00

31

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$\operatorname{Hom}_A(M, N)$ and $M^* \otimes_A N$

Published on 12 Oct 2023 - 7:28

score 56 · Answer 2 · 2023-10-16 14:16:51

56

Views

Does there exist a topological power-associative non-metric unital algebra $V$ such that $\exp x$ is defined for all $x\in V$?

Published on 16 Oct 2023 - 14:16

score 57 · Answer 3 · 2026-02-23 07:37:58

57

Views

Semisimplicity implies separability for a perfect field

Published on 23 Feb 2026 - 7:37

score 25 · Answer 4 · 2023-10-25 17:53:03

25

Views

Turning a subalgebra into an ideal by changing the algebra it is contained in

Published on 25 Oct 2023 - 17:53

score 61 · Answer 5 · 2026-03-25 17:37:15

61

Views

On the homomorphism as $M_n(A)$-modules.

Published on 25 Mar 2026 - 17:37

score 59 · Answer 6 · 2023-11-06 13:23:40

59

Views

Homotopy of maps of $A_{\infty}$-algebras

Published on 06 Nov 2023 - 13:23

score 42 · Answer 7 · 2023-11-30 19:53:29

42

Views

A question about the minimal number of operations required to obtain a matrix with generic eigenvalues

Published on 30 Nov 2023 - 19:53

score 95 · Answer 8 · 2023-12-18 06:33:45

95

Views

Does there exist an $\mathbb{R}$-algebra in which exponentials are especially well-behaved?

Published on 18 Dec 2023 - 6:33

score 200 · Answer 9 · 2024-01-15 13:16:03

200

Views

Module structure on $R$-algebra $S$ by restriction of scalars and splitting of the algebra map

Published on 15 Jan 2024 - 13:16

score 118 · Answer 10 · 2024-02-01 23:28:53

118

Views

Small generating set for the unique minimal prime ideal of a finitely generated $\mathbb{C}$-algebra

Published on 01 Feb 2024 - 23:28

score 71 · Answer 11 · 2024-02-05 16:18:27

71

Views

Equivalence of two algebras

Published on 05 Feb 2024 - 16:18

score 83 · Answer 12 · 2024-02-05 20:24:03

83

Views

Prove that $\mathbb{R}[x]/(x^2+1)^2$ is isomorphic to $\mathbb{C}[y]/(y^2)$ as a $\mathbb{C}$-algebra.

Published on 05 Feb 2024 - 20:24

score 55 · Answer 13 · 2024-02-06 04:09:14

55

Views

Why do we divide annual interest rate by number of compounding periods in the compound interest formula?

Published on 06 Feb 2024 - 4:09

score 60 · Answer 14 · 2024-02-06 09:32:28

60

Views

Question about If $B$ is a $A$-algebra and $N$ is a $B$-module, then can $N$ naturally become a $A$-module?

Published on 06 Feb 2024 - 9:32

score 74 · Answer 15 · 2024-02-06 22:31:47

74

Views

Understanding the first Weyl algebra $A$ and $\operatorname{End}_A (V)$

Published on 06 Feb 2024 - 22:31

List Question

$\operatorname{Hom}_A(M, N)$ and $M^* \otimes_A N$

Does there exist a topological power-associative non-metric unital algebra $V$ such that $\exp x$ is defined for all $x\in V$?

Semisimplicity implies separability for a perfect field

Turning a subalgebra into an ideal by changing the algebra it is contained in

On the homomorphism as $M_n(A)$-modules.

Homotopy of maps of $A_{\infty}$-algebras

A question about the minimal number of operations required to obtain a matrix with generic eigenvalues

Does there exist an $\mathbb{R}$-algebra in which exponentials are especially well-behaved?

Module structure on $R$-algebra $S$ by restriction of scalars and splitting of the algebra map

Small generating set for the unique minimal prime ideal of a finitely generated $\mathbb{C}$-algebra

Equivalence of two algebras

Prove that $\mathbb{R}[x]/(x^2+1)^2$ is isomorphic to $\mathbb{C}[y]/(y^2)$ as a $\mathbb{C}$-algebra.

Why do we divide annual interest rate by number of compounding periods in the compound interest formula?

Question about If $B$ is a $A$-algebra and $N$ is a $B$-module, then can $N$ naturally become a $A$-module?

Understanding the first Weyl algebra $A$ and $\operatorname{End}_A (V)$

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