Question

Starting with a string AB. Is it possible to obtain BA following these rules?

score 154 · Answer 1 · 2018-04-12 09:11:38

154

Views

Starting with a string AB. Is it possible to obtain BA following these rules?

Published on 12 Apr 2018 - 9:11

score 165 · Answer 2 · 2018-04-12 13:04:10

165

Views

Proof of uniqueness to the right

Published on 12 Apr 2018 - 13:04

score 43 · Answer 3 · 2026-03-27 10:44:41

43

Views

Equilibrium proof question in research paper.

Published on 27 Mar 2026 - 10:44

score 42 · Answer 4 · 2026-03-31 02:17:54

42

Views

Prove that $U$ is open in $(\mathbb R^{ \oplus },e)$ but not open in $(\mathbb R^ \oplus,d)$

Published on 31 Mar 2026 - 2:17

score 869 · Answer 5 · 2026-03-25 22:27:01

869

Views

Deriving properties of logarithms from the definition $\ln(x) = \int_{1}^{x} \frac{\mathrm{d}t}{t}$

Published on 25 Mar 2026 - 22:27

score 1k · Answer 6 · 2026-03-25 06:06:25

1k

Views

Show the sequence $\{{\sqrt{5}}~,{\sqrt{5+{\sqrt5}}}~,\sqrt{5+\sqrt{5+\sqrt{5}}}~,...\}$ converges and find its limit.

Published on 25 Mar 2026 - 6:06

score 223 · Answer 7 · 2018-04-12 20:12:32

223

Views

Conjecture : $\int_{0}^{\pi\over 2}\mathrm dt{\ln[2\cos(t)]\over t^2+\ln^2[2\cos(t)]}={\pi\over 4}?$

Published on 12 Apr 2018 - 20:12

score 145 · Answer 8 · 2026-03-25 19:05:53

145

Views

why a particular map $f: \mathbb{S}^2 \times \mathbb{S}^1 \to SO(3)$ is not a homeomorphism?

Published on 25 Mar 2026 - 19:05

score 234 · Answer 9 · 2026-03-25 08:09:44

234

Views

Prove that ${\lim_{n\to\infty}\frac{2n-1}{n+1}}=2.$

Published on 25 Mar 2026 - 8:09

score 560 · Answer 10 · 2018-04-12 22:09:39

560

Views

Show $\mathbb{R}$ is not a union of countably many nowhere dense sets using nested interval theorem.

Published on 12 Apr 2018 - 22:09

score 773 · Answer 11 · 2026-03-25 01:28:07

773

Views

Quotient topology R/Z homeomorphic to [0,1]/{0,1}

Published on 25 Mar 2026 - 1:28

score 238 · Answer 12 · 2018-04-13 01:12:08

238

Views

Suppose that $A,B,C$ are finite sets, and that $B \cup C=A$ and $B \cap C=\varnothing$. Then $|A|=|B|+|C|$

Published on 13 Apr 2018 - 1:12

score 504 · Answer 13 · 2026-03-29 03:27:12

504

Views

Are the following matrices similar, but not congruent?

Published on 29 Mar 2026 - 3:27

score 124 · Answer 14 · 2018-04-13 05:16:15

124

Views

If $f:A\to B\subseteq A$ is injective, then there exists a bijection $h:A\to B$

Published on 13 Apr 2018 - 5:16

score 451 · Answer 15 · 2018-04-13 07:29:59

451

Views

For a group $G$ such that $|G| = p^3$, for $p$ prime, either $|Z(G)| = p$ or $G$ is abelian.

Published on 13 Apr 2018 - 7:29

List Question

Starting with a string AB. Is it possible to obtain BA following these rules?

Proof of uniqueness to the right

Equilibrium proof question in research paper.

Prove that $U$ is open in $(\mathbb R^{ \oplus },e)$ but not open in $(\mathbb R^ \oplus,d)$

Deriving properties of logarithms from the definition $\ln(x) = \int_{1}^{x} \frac{\mathrm{d}t}{t}$

Show the sequence $\{{\sqrt{5}}~,{\sqrt{5+{\sqrt5}}}~,\sqrt{5+\sqrt{5+\sqrt{5}}}~,...\}$ converges and find its limit.

Conjecture : $\int_{0}^{\pi\over 2}\mathrm dt{\ln[2\cos(t)]\over t^2+\ln^2[2\cos(t)]}={\pi\over 4}?$

why a particular map $f: \mathbb{S}^2 \times \mathbb{S}^1 \to SO(3)$ is not a homeomorphism?

Prove that ${\lim_{n\to\infty}\frac{2n-1}{n+1}}=2.$

Show $\mathbb{R}$ is not a union of countably many nowhere dense sets using nested interval theorem.

Quotient topology R/Z homeomorphic to [0,1]/{0,1}

Suppose that $A,B,C$ are finite sets, and that $B \cup C=A$ and $B \cap C=\varnothing$. Then $|A|=|B|+|C|$

Are the following matrices similar, but not congruent?

If $f:A\to B\subseteq A$ is injective, then there exists a bijection $h:A\to B$

For a group $G$ such that $|G| = p^3$, for $p$ prime, either $|Z(G)| = p$ or $G$ is abelian.

Trending Questions

Popular # Hahtags

Popular Questions