User Gro-Tsen

12 votes

2 answers

617 views

If $x_n \to 0 \pmod{a}$ for every $a>0$, does it follow that $x_n \to 0$?

asked Dec 2, 2022 at 20:57

11 votes

1 answer

668 views

Convergence of Riemann sums of a periodic function

asked Feb 8, 2016 at 17:36

10 votes

1 answer

608 views

Arithmetic-quadratic mean and other "means by limits of means"

asked Jan 24, 2016 at 20:37

9 votes

2 answers

878 views

Separable field extensions without using embeddings or automorphisms

asked Feb 26, 2016 at 18:49

7 votes

2 answers

831 views

Multiple differentiability from Taylor expansion

asked Jul 23, 2014 at 16:37

7 votes

3 answers

667 views

Fast-growing noncomputable functions

asked Jan 14, 2016 at 23:41

7 votes

0 answers

178 views

What is the determinant of the matrix of $A_{ij} = \gcd(i,j)$ for $i,j$ ranging from $0$ to $n−1$?

asked Jan 11 at 11:19

5 votes

1 answer

266 views

Rings in which $ab=0$ implies $axb=0$

asked Apr 27, 2016 at 8:17

5 votes

0 answers

192 views

Convolution square of the Cantor set

asked Feb 16, 2019 at 13:46

4 votes

1 answer

537 views

Description of projective and injective tensor products $\ell^2 \otimes \ell^2$?

asked Jan 11, 2018 at 22:05

4 votes

1 answer

273 views

Example of a dense open subset that is not of the form $U \cup {\sim} U$ for $U$ regular

asked Nov 23, 2022 at 18:06

3 votes

1 answer

76 views

Stationary distribution of gradient-biased random walk

asked Feb 2 at 11:42

3 votes

0 answers

120 views

Standard term for "dense" subset of a graph

asked Dec 12, 2018 at 12:58

3 votes

1 answer

234 views

Function with compact support whose iterated antiderivatives also have compact support

asked Apr 4, 2020 at 12:22

3 votes

0 answers

78 views

What is the stationary distribution for this continuous-time variation of the M/D/1 queue process

asked Sep 8, 2021 at 22:33

2 votes

0 answers

299 views

Topology of the set of Nash equilibria

asked Apr 7, 2016 at 14:17

2 votes

0 answers

79 views

The “hyperfabius” function

asked Aug 12, 2022 at 15:42

2 votes

0 answers

96 views

Number of nodes reachable in a random digraph where each node connects to an expected $\kappa$ others

asked Apr 6, 2020 at 14:10

2 votes

1 answer

105 views

Does this probability distribution have a standard name?

asked May 25, 2021 at 22:09

2 votes

1 answer

190 views

Flag manifolds (=R-spaces): quotients by parabolic subgroups vs. isotropy representation

asked Jan 19, 2014 at 17:12

1 vote

0 answers

73 views

Change of scalars and field of fractions

asked Apr 1, 2016 at 14:08

1 vote

0 answers

76 views

Relation between two notions intermediate between “pointwise convergence” and “uniform convergence”

asked Oct 5, 2021 at 10:01

1 vote

0 answers

25 views

Closed form expression for the sum of $i^a (n-i)^b$ from $0$ to $n$

asked Dec 15, 2022 at 10:38

Stack Exchange Network

23 Questions

If $x_n \to 0 \pmod{a}$ for every $a>0$, does it follow that $x_n \to 0$?

Convergence of Riemann sums of a periodic function

Arithmetic-quadratic mean and other "means by limits of means"

Separable field extensions without using embeddings or automorphisms

Multiple differentiability from Taylor expansion

Fast-growing noncomputable functions

What is the determinant of the matrix of $A_{ij} = \gcd(i,j)$ for $i,j$ ranging from $0$ to $n−1$?

Rings in which $ab=0$ implies $axb=0$

Convolution square of the Cantor set

Description of projective and injective tensor products $\ell^2 \otimes \ell^2$?

Example of a dense open subset that is not of the form $U \cup {\sim} U$ for $U$ regular

Stationary distribution of gradient-biased random walk

Standard term for "dense" subset of a graph

Function with compact support whose iterated antiderivatives also have compact support

What is the stationary distribution for this continuous-time variation of the M/D/1 queue process

Topology of the set of Nash equilibria

The “hyperfabius” function

Number of nodes reachable in a random digraph where each node connects to an expected $\kappa$ others

Does this probability distribution have a standard name?

Flag manifolds (=R-spaces): quotients by parabolic subgroups vs. isotropy representation

Change of scalars and field of fractions

Relation between two notions intermediate between “pointwise convergence” and “uniform convergence”

Closed form expression for the sum of $i^a (n-i)^b$ from $0$ to $n$