Question

Nice dimension independent proof of entropy inequality?

score 46 · Answer 1 · 2026-03-25 12:54:34

46

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Nice dimension independent proof of entropy inequality?

Published on 25 Mar 2026 - 12:54

score 69 · Answer 2 · 2018-10-26 16:08:12

69

Views

Inequalities among the slopes of the sides and the slopes of internal angle bisectors

Published on 26 Oct 2018 - 16:08

score 54 · Answer 3 · 2018-10-27 19:43:41

54

Views

How to write that if $b_n = 0$ or $b_n = a_n$ and the serie of $a_n$ converges and is positive, then $b_n$ is also positive converges

Published on 27 Oct 2018 - 19:43

score 1.4k · Answer 4 · 2018-10-29 16:23:44

1.4k

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How integrating over a branch cut is made rigorous?

Published on 29 Oct 2018 - 16:23

score 36 · Answer 5 · 2018-10-29 17:16:28

36

Views

Relationships between permutation and left representation of the same algebraic structure

Published on 29 Oct 2018 - 17:16

score 117 · Answer 6 · 2018-10-30 05:59:45

117

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Showing that set the of algebraic numbers are countable [Proof verification]

Published on 30 Oct 2018 - 5:59

score 863 · Answer 7 · 2018-10-31 18:53:34

863

Views

Can I derive the sum of squares formula without induction and through the formula for series?

Published on 31 Oct 2018 - 18:53

score 526 · Answer 8 · 2018-11-01 03:10:29

526

Views

Is there a quick way to prove that $\sin(x)-x^2$ has exactly $2$ real roots?

Published on 01 Nov 2018 - 3:10

score 97 · Answer 9 · 2018-11-03 04:46:07

97

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If $f\mathop: X \to Y$ and $g\mathop: X \to Y$ are continuous and $f(x) = g(x)$ for all $x \in E$, then $f(x) = g(x)$ for all $x \in X$.

Published on 03 Nov 2018 - 4:46

score 1.2k · Answer 10 · 2018-11-04 08:44:03

1.2k

Views

How to dissect a rectangle to obtain an equal square?

Published on 04 Nov 2018 - 8:44

score 704 · Answer 11 · 2018-11-04 16:31:51

704

Views

Proving a series is convergent - $\sum _{n=1} ^\infty \frac{(-1)^n}{n}$ without using alternating series test

Published on 04 Nov 2018 - 16:31

score 118 · Answer 12 · 2018-11-05 04:45:01

118

Views

Proving $5 \mid (n^5-n)$ for all $n \in \mathbb{Z}^+$

Published on 05 Nov 2018 - 4:45

score 172 · Answer 13 · 2018-11-08 01:08:19

172

Views

Solutions of $n^{n}=2n$?

Published on 08 Nov 2018 - 1:08

score 525 · Answer 14 · 2026-03-26 04:33:14

525

Views

Showing $x^4+x^2+x+1$ irreducible over $\mathbb{Z_3}$

Published on 26 Mar 2026 - 4:33

score 258 · Answer 15 · 2026-03-25 08:09:41

258

Views

Proving $3x^{10} - y^{10} = 1991$ has no integral solutions. Check my proof.

Published on 25 Mar 2026 - 8:09

List Question

Nice dimension independent proof of entropy inequality?

Inequalities among the slopes of the sides and the slopes of internal angle bisectors

How to write that if $b_n = 0$ or $b_n = a_n$ and the serie of $a_n$ converges and is positive, then $b_n$ is also positive converges

How integrating over a branch cut is made rigorous?

Relationships between permutation and left representation of the same algebraic structure

Showing that set the of algebraic numbers are countable [Proof verification]

Can I derive the sum of squares formula without induction and through the formula for series?

Is there a quick way to prove that $\sin(x)-x^2$ has exactly $2$ real roots?

If $f\mathop: X \to Y$ and $g\mathop: X \to Y$ are continuous and $f(x) = g(x)$ for all $x \in E$, then $f(x) = g(x)$ for all $x \in X$.

How to dissect a rectangle to obtain an equal square?

Proving a series is convergent - $\sum _{n=1} ^\infty \frac{(-1)^n}{n}$ without using alternating series test

Proving $5 \mid (n^5-n)$ for all $n \in \mathbb{Z}^+$

Solutions of $n^{n}=2n$?

Showing $x^4+x^2+x+1$ irreducible over $\mathbb{Z_3}$

Proving $3x^{10} - y^{10} = 1991$ has no integral solutions. Check my proof.

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