Question

Understanding the algebra of polynomials on a linear space

score 200 · Answer 1 · 2015-08-06 22:59:32

200

Views

Understanding the algebra of polynomials on a linear space

Published on 06 Aug 2015 - 22:59

score 708 · Answer 2 · 2015-08-12 05:12:53

708

Views

Paul Garret's Proof of the Cayley-Hamilton Theorem

Published on 12 Aug 2015 - 5:12

score 208 · Answer 3 · 2015-08-14 07:54:01

208

Views

How do modern algebraists think about diagonal matrices?

Published on 14 Aug 2015 - 7:54

score 234 · Answer 4 · 2026-02-23 06:34:47

234

Views

Studying Algebraic Logic from Plotkin's Universal Algebra, Algebraic Logic, and Databases.

Published on 23 Feb 2026 - 6:34

score 370 · Answer 5 · 2015-09-10 01:14:40

370

Views

Proving a Ring R is an algebra if and only if X $\in$ R

Published on 10 Sep 2015 - 1:14

score 42 · Answer 6 · 2015-09-15 03:51:27

42

Views

Is $[I,J]$ a vector space where $I,J$ are ideals of a Lie algebra

Published on 15 Sep 2015 - 3:51

score 47 · Answer 7 · 2026-03-25 16:05:20

47

Views

Help constructing a specific quotient algebra

Published on 25 Mar 2026 - 16:05

score 52 · Answer 8 · 2015-09-16 05:08:47

52

Views

$A \otimes_k B$-module $M \otimes_k N$ simple?

Published on 16 Sep 2015 - 5:08

score 53 · Answer 9 · 2015-09-17 21:12:16

53

Views

What is the actual definition of "polarizing form", in the context of cohomology algebras?

Published on 17 Sep 2015 - 21:12

score 289 · Answer 10 · 2015-09-19 22:09:52

289

Views

Karoubi envelope of category free $A$-modules is equivalent to category of projective $A$-modules?

Published on 19 Sep 2015 - 22:09

score 37 · Answer 11 · 2015-09-27 13:23:04

37

Views

Is $S=\{f:[0,1]\to M_2(\mathbb{C}): f$ continuous and $ f(0)=(\begin{smallmatrix} 0 & 0 \\ 0 & 0 \end{smallmatrix})\}$ commutative?

Published on 27 Sep 2015 - 13:23

score 53 · Answer 12 · 2015-09-29 16:56:50

53

Views

How many $\Bbb{Q}$-algebras of dimension $4$ are there?

Published on 29 Sep 2015 - 16:56

score 947 · Answer 13 · 2026-03-26 01:29:01

947

Views

$\Bbb{H}_{\Bbb{Q}}$ is only four dimensional division algebra over rationals.

Published on 26 Mar 2026 - 1:29

score 271 · Answer 14 · 2015-10-06 20:26:11

271

Views

Field's characteristic in Lie algebras

Published on 06 Oct 2015 - 20:26

score 55 · Answer 15 · 2015-10-10 06:38:03

55

Views

Explicit presentation of the ring of 2 by 2 real matrices

Published on 10 Oct 2015 - 6:38

List Question

Understanding the algebra of polynomials on a linear space

Paul Garret's Proof of the Cayley-Hamilton Theorem

How do modern algebraists think about diagonal matrices?

Studying Algebraic Logic from Plotkin's Universal Algebra, Algebraic Logic, and Databases.

Proving a Ring R is an algebra if and only if X $\in$ R

Is $[I,J]$ a vector space where $I,J$ are ideals of a Lie algebra

Help constructing a specific quotient algebra

$A \otimes_k B$-module $M \otimes_k N$ simple?

What is the actual definition of "polarizing form", in the context of cohomology algebras?

Karoubi envelope of category free $A$-modules is equivalent to category of projective $A$-modules?

Is $S=\{f:[0,1]\to M_2(\mathbb{C}): f$ continuous and $ f(0)=(\begin{smallmatrix} 0 & 0 \\ 0 & 0 \end{smallmatrix})\}$ commutative?

How many $\Bbb{Q}$-algebras of dimension $4$ are there?

$\Bbb{H}_{\Bbb{Q}}$ is only four dimensional division algebra over rationals.

Field's characteristic in Lie algebras

Explicit presentation of the ring of 2 by 2 real matrices

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