Question

property related to convergence of random variables

score 21 · Answer 1 · 2016-10-21 13:21:47

21

Views

property related to convergence of random variables

Published on 21 Oct 2016 - 13:21

score 91 · Answer 2 · 2016-10-23 02:07:48

91

Views

Is there a subset $M$ of inner product space $U$ such that $(M^{\bot})^{\bot}$ is not the minimal closed subspace that contains $M$?

Published on 23 Oct 2016 - 2:07

score 110 · Answer 3 · 2026-03-29 04:10:48

110

Views

Let $E \supset F \supset G$ and $G = E^{\rm{Aut}(E/G)}$. Then is it true that $F = E^{\rm{Aut}(E/F)}$?

Published on 29 Mar 2026 - 4:10

score 64 · Answer 4 · 2026-03-28 03:27:46

64

Views

What is a counter example to this theorem: if $(E,p)$ covering space of connected space $B$, then $|p^{-1}(b)|$ is same for all $b \in B$.

Published on 28 Mar 2026 - 3:27

score 174 · Answer 5 · 2026-03-26 01:28:51

174

Views

p-Group satisfying the minimal condition on abelian subgroups

Published on 26 Mar 2026 - 1:28

score 130 · Answer 6 · 2016-10-23 11:48:31

130

Views

Most elegant proof for: $xy>ab$ does not imply $x+y>a+b$?

Published on 23 Oct 2016 - 11:48

score 355 · Answer 7 · 2016-10-24 11:51:21

355

Views

Range of any bounded linear map $T : X \to Y$ of $X$ into Banach space $Y$ is closed?

Published on 24 Oct 2016 - 11:51

score 506 · Answer 8 · 2026-03-30 14:55:51

506

Views

Counterexamples to Newton's method and to fixed point method

Published on 30 Mar 2026 - 14:55

score 5.4k · Answer 9 · 2016-10-25 00:01:22

5.4k

Views

Disprove the statement by giving a counterexample.

Published on 25 Oct 2016 - 0:01

score 3.4k · Answer 10 · 2026-03-30 07:26:41

3.4k

Views

Finding three numbers that are pairwise not relatively prime, but with $\gcd(a,b,c)=1$

Published on 30 Mar 2026 - 7:26

score 175 · Answer 11 · 2016-10-25 10:48:37

175

Views

$B_\infty(0,1)$ is not closed w.r.t. $\|\cdot\|_1$

Published on 25 Oct 2016 - 10:48

score 607 · Answer 12 · 2016-10-26 02:01:52

607

Views

Examples of Markov chains from real life

Published on 26 Oct 2016 - 2:01

score 304 · Answer 13 · 2026-03-26 06:33:53

304

Views

Groups with several direct product decompositions

Published on 26 Mar 2026 - 6:33

score 770 · Answer 14 · 2016-10-27 18:46:56

770

Views

Counter-example: measures that agree on a collection of subsets but not on the generated sigma-algebra

Published on 27 Oct 2016 - 18:46

score 429 · Answer 15 · 2016-10-28 00:31:13

429

Views

Example of "convergent" sequences with a new definition

Published on 28 Oct 2016 - 0:31

List Question

property related to convergence of random variables

Is there a subset $M$ of inner product space $U$ such that $(M^{\bot})^{\bot}$ is not the minimal closed subspace that contains $M$?

Let $E \supset F \supset G$ and $G = E^{\rm{Aut}(E/G)}$. Then is it true that $F = E^{\rm{Aut}(E/F)}$?

What is a counter example to this theorem: if $(E,p)$ covering space of connected space $B$, then $|p^{-1}(b)|$ is same for all $b \in B$.

p-Group satisfying the minimal condition on abelian subgroups

Most elegant proof for: $xy>ab$ does not imply $x+y>a+b$?

Range of any bounded linear map $T : X \to Y$ of $X$ into Banach space $Y$ is closed?

Counterexamples to Newton's method and to fixed point method

Disprove the statement by giving a counterexample.

Finding three numbers that are pairwise not relatively prime, but with $\gcd(a,b,c)=1$

$B_\infty(0,1)$ is not closed w.r.t. $\|\cdot\|_1$

Examples of Markov chains from real life

Groups with several direct product decompositions

Counter-example: measures that agree on a collection of subsets but not on the generated sigma-algebra

Example of "convergent" sequences with a new definition

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