Question

Cardinality of quotient group

score 296 · Answer 1 · 2026-03-26 05:35:11

296

Views

Cardinality of quotient group

Published on 26 Mar 2026 - 5:35

score 1k · Answer 2 · 2018-02-15 11:36:23

1k

Views

Multiplicative identity in a vectorspace

Published on 15 Feb 2018 - 11:36

score 95 · Answer 3 · 2018-02-15 11:44:18

Let A and B be square matrices of same order. Are the characteristic polynomials of AB and BA same? A and B may be invertible or not.

score 35 · Answer 4 · 2026-03-24 15:43:21

35

Views

If $V$ over $\mathbb{C}$, $\dim V\ge 2$, let $q: V \rightarrow \Bbb{C}$ be a Quadratic form. s.t. exists $v \ne 0$ such that $q(v)=0$

Published on 24 Mar 2026 - 15:43

score 89 · Answer 5 · 2026-03-26 19:00:47

89

Views

Concerning the product of two radical matrices.

Published on 26 Mar 2026 - 19:00

score 114 · Answer 6 · 2026-03-25 11:09:52

114

Views

For any $\phi$, is $\phi$ self-adjoint on $E_{\lambda_1} \oplus E_{\lambda_2} \oplus...\oplus E_{\lambda_k}$ if $\phi$ stable on $T$

Published on 25 Mar 2026 - 11:09

score 55 · Answer 7 · 2026-03-31 03:15:53

55

Views

Question on behavior of a linear function on the boundary

Published on 31 Mar 2026 - 3:15

score 693 · Answer 8 · 2026-03-27 08:46:38

693

Views

Axler's LADR. Algebraic multiplicity of an eigenvalue is the number of times it appears on the diagonal of an upper triangular matrix?

Published on 27 Mar 2026 - 8:46

score 560 · Answer 9 · 2026-03-27 08:46:39

560

Views

What is the relation between the rank of $A$ and the rank of the cofactor matrix of $A$?

Published on 27 Mar 2026 - 8:46

score 143 · Answer 10 · 2026-03-25 04:20:40

143

Views

Complex algebraic system of equations problem solving

Published on 25 Mar 2026 - 4:20

score 62 · Answer 11 · 2018-02-15 16:52:09

62

Views

Is a set of positive linear combination of basis of a finite dimensional vector space is an open set?

Published on 15 Feb 2018 - 16:52

score 2.3k · Answer 12 · 2026-03-25 20:34:10

2.3k

Views

basis is minimal spanning set

Published on 25 Mar 2026 - 20:34

score 66 · Answer 13 · 2026-03-26 18:58:39

66

Views

Choosing a random solution among infinite solutions of a linear system

Published on 26 Mar 2026 - 18:58

score 704 · Answer 14 · 2026-03-25 06:16:18

704

Views

Proof that a linear code union/intersect with another linear code is a linear code

Published on 25 Mar 2026 - 6:16

score 271 · Answer 15 · 2018-02-15 19:14:20

271

Views

moving average of a matrix

Published on 15 Feb 2018 - 19:14

List Question

Cardinality of quotient group

Multiplicative identity in a vectorspace

Let A and B be square matrices of same order. Are the characteristic polynomials of AB and BA same? A and B may be invertible or not.

If $V$ over $\mathbb{C}$, $\dim V\ge 2$, let $q: V \rightarrow \Bbb{C}$ be a Quadratic form. s.t. exists $v \ne 0$ such that $q(v)=0$

Concerning the product of two radical matrices.

For any $\phi$, is $\phi$ self-adjoint on $E_{\lambda_1} \oplus E_{\lambda_2} \oplus...\oplus E_{\lambda_k}$ if $\phi$ stable on $T$

Question on behavior of a linear function on the boundary

Axler's LADR. Algebraic multiplicity of an eigenvalue is the number of times it appears on the diagonal of an upper triangular matrix?

What is the relation between the rank of $A$ and the rank of the cofactor matrix of $A$?

Complex algebraic system of equations problem solving

Is a set of positive linear combination of basis of a finite dimensional vector space is an open set?

basis is minimal spanning set

Choosing a random solution among infinite solutions of a linear system

Proof that a linear code union/intersect with another linear code is a linear code

moving average of a matrix

Trending Questions

Popular # Hahtags

Popular Questions