Question

Proof review/explanation: Let $\text{char}(\mathbb{K}) = 0$. It then follows that $AB-BA \ne 1 \, (A, B \in \Bbb K^{n \times n})$

score 91 · Answer 1 · 2020-02-01 10:53:59

91

Views

Proof review/explanation: Let $\text{char}(\mathbb{K}) = 0$. It then follows that $AB-BA \ne 1 \, (A, B \in \Bbb K^{n \times n})$

Published on 01 Feb 2020 - 10:53

score 690 · Answer 2 · 2026-03-31 08:43:47

690

Views

Intersection of equivalence relations is an equivalence relation

Published on 31 Mar 2026 - 8:43

score 59 · Answer 3 · 2020-02-01 18:38:44

59

Views

Property of quotient maps

Published on 01 Feb 2020 - 18:38

score 61 · Answer 4 · 2020-02-01 20:01:50

61

Views

Proving that the limit is bounded.

Published on 01 Feb 2020 - 20:01

score 81 · Answer 5 · 2020-02-01 20:17:50

81

Views

Show that if $G$ is a $k$-regular graph of order $n$, then G has $\frac{nk}{2}$ edges.

Published on 01 Feb 2020 - 20:17

score 40 · Answer 6 · 2026-03-26 06:26:19

40

Views

solution verification solve the permutation equation

Published on 26 Mar 2026 - 6:26

score 96 · Answer 7 · 2026-03-31 01:10:13

96

Views

What is the correct way of defining this function?

Published on 31 Mar 2026 - 1:10

score 156 · Answer 8 · 2026-03-25 11:08:58

156

Views

Infinity Summation problem (ANSWERED)

Published on 25 Mar 2026 - 11:08

score 152 · Answer 9 · 2020-02-02 01:50:40

152

Views

Not sure if this set theory proof attempt involving contradiction is valid

Published on 02 Feb 2020 - 1:50

score 547 · Answer 10 · 2020-02-02 03:29:34

547

Views

Solving the differential equation $−3xdx+(x^2y+3y)dy=0$

Published on 02 Feb 2020 - 3:29

score 817 · Answer 11 · 2020-02-02 09:10:24

817

Views

Let $H$ be a subgroup of $G$. Define $N(H) = \{ a \in G | aHa^{-1}=H \}$. Show $H \subset N(H)$.

Published on 02 Feb 2020 - 9:10

score 58 · Answer 12 · 2020-02-02 11:13:02

58

Views

The fraction $b_n/a_n$ converging to $1$ while $b_n \to 0$ and $a_n \to 0$

Published on 02 Feb 2020 - 11:13

score 103 · Answer 13 · 2026-03-29 14:57:56

103

Views

Is this is right explanation to the following conditional probability calculations?

Published on 29 Mar 2026 - 14:57

score 181 · Answer 14 · 2020-02-02 14:09:25

181

Views

Show $\max\{f-g,0\} + g=\max\{f,g\}$

Published on 02 Feb 2020 - 14:09

score 78 · Answer 15 · 2026-02-23 04:55:02

78

Views

Show that a Rule is Derivable in a Hilbert Calculus

Published on 23 Feb 2026 - 4:55

List Question

Proof review/explanation: Let $\text{char}(\mathbb{K}) = 0$. It then follows that $AB-BA \ne 1 \, (A, B \in \Bbb K^{n \times n})$

Intersection of equivalence relations is an equivalence relation

Property of quotient maps

Proving that the limit is bounded.

Show that if $G$ is a $k$-regular graph of order $n$, then G has $\frac{nk}{2}$ edges.

solution verification solve the permutation equation

What is the correct way of defining this function?

Infinity Summation problem (ANSWERED)

Not sure if this set theory proof attempt involving contradiction is valid

Solving the differential equation $−3xdx+(x^2y+3y)dy=0$

Let $H$ be a subgroup of $G$. Define $N(H) = \{ a \in G | aHa^{-1}=H \}$. Show $H \subset N(H)$.

The fraction $b_n/a_n$ converging to $1$ while $b_n \to 0$ and $a_n \to 0$

Is this is right explanation to the following conditional probability calculations?

Show $\max\{f-g,0\} + g=\max\{f,g\}$

Show that a Rule is Derivable in a Hilbert Calculus

Trending Questions

Popular # Hahtags

Popular Questions