User Thomas Lesgourgues

0 votes

0 answers

44 views

``Anti-Freiman'' homomorphisms - Reference request

asked Dec 1, 2023 at 7:50

1 vote

2 answers

125 views

Tail set on $\mathcal{F}$ non-principal a $\kappa$-complete ultrafilter on $\kappa$

asked Mar 6, 2019 at 12:39

1 vote

1 answer

114 views

Reference request : Hoffman type bound for non-regular graph based on min and max degree

asked Jan 26, 2022 at 0:30

1 vote

0 answers

651 views

Moment Generating Function - Cauchy Random Variable

asked Jan 24, 2019 at 15:15

1 vote

0 answers

46 views

Thomae function - line patterns

asked Mar 4, 2021 at 2:10

1 vote

2 answers

206 views

Is the eventown problem solution unique up to isomorphism

asked Nov 18, 2020 at 0:51

1 vote

0 answers

208 views

Kesten-Spitzer-Whitman Theorem - Recurrent random walk on $\mathbb{Z}$

asked Oct 16, 2019 at 11:02

2 votes

1 answer

324 views

Projective plane - Blocking set relative to line from an oval

asked Apr 29, 2020 at 6:25

2 votes

1 answer

198 views

1-Factorizations of complete graphs sharing a unique 1-factor

asked Apr 23, 2020 at 5:32

7 votes

1 answer

365 views

Graph built from orthogonal Latin squares

asked Apr 7, 2020 at 5:15

1 vote

1 answer

89 views

Number of AP sequence - using Van Der Waerden

asked May 16, 2019 at 12:15

4 votes

2 answers

312 views

Infinite sum - generalising Catalan generating function

asked Oct 31, 2019 at 14:41

2 votes

2 answers

211 views

Infinite sum with binomial coeffcient - Hypergeometric function ${}_2F_1$ and gauss theorem

asked Oct 30, 2019 at 13:00

2 votes

1 answer

165 views

lamplighter group - Growth from Fibonacci tree

asked Sep 30, 2019 at 11:05

5 votes

1 answer

160 views

Random walk on infinite group - Entropy Speed and Growth

asked Oct 5, 2019 at 12:05

1 vote

1 answer

260 views

lamplighter group - presentation and relations

asked Sep 30, 2019 at 13:39

6 votes

2 answers

543 views

Elliptic curve with same number of points over two different fields

asked Oct 8, 2018 at 13:04

1 vote

0 answers

73 views

Recursive bijection on $\mathbb{N}^3$ using one on $\mathbb{N}^2$

asked Jun 12, 2019 at 7:35

2 votes

1 answer

100 views

Arithmetic - linear order of $\mathbb{Z}$-copies

asked May 22, 2019 at 12:35

1 vote

1 answer

145 views

$T$ Aronszajn tree on $\omega_1$ - partition of $T$ into countably-many antichains.

asked May 31, 2019 at 16:31

0 votes

1 answer

163 views

second-order indescribable - inaccessible cardinals

asked May 29, 2019 at 11:25

1 vote

1 answer

181 views

If a poset is $\sigma$-centered, so what can we say about $P\times P$

asked May 29, 2019 at 10:55

0 votes

1 answer

113 views

Positive Lebesgue measure Poset - $\sigma$-linked

asked May 29, 2019 at 16:16

1 vote

1 answer

141 views

CH implies the existence of an $\omega_2$-Aronszajn tree

asked May 29, 2019 at 8:12

6 votes

3 answers

618 views

Statement true because not provable

asked Apr 10, 2019 at 15:26

0 votes

1 answer

128 views

Aronszajn tree for infinite singular cardinal [duplicate]

asked Mar 31, 2019 at 16:41

3 votes

1 answer

82 views

Van der Waerden number - on a specific type of sequence

asked Mar 22, 2019 at 11:29

3 votes

1 answer

122 views

Isoperimetric constant on random graph

asked Jan 5, 2019 at 18:25

1 vote

1 answer

151 views

order type of club - cofinality

asked Mar 18, 2019 at 18:10

2 votes

1 answer

107 views

Fodor theorem on ultrafilter

asked Mar 18, 2019 at 17:46

Stack Exchange Network

37 Questions

``Anti-Freiman'' homomorphisms - Reference request

Tail set on $\mathcal{F}$ non-principal a $\kappa$-complete ultrafilter on $\kappa$

Reference request : Hoffman type bound for non-regular graph based on min and max degree

Moment Generating Function - Cauchy Random Variable

Thomae function - line patterns

Is the eventown problem solution unique up to isomorphism

Kesten-Spitzer-Whitman Theorem - Recurrent random walk on $\mathbb{Z}$

Projective plane - Blocking set relative to line from an oval

1-Factorizations of complete graphs sharing a unique 1-factor

Graph built from orthogonal Latin squares

Number of AP sequence - using Van Der Waerden

Infinite sum - generalising Catalan generating function

Infinite sum with binomial coeffcient - Hypergeometric function ${}_2F_1$ and gauss theorem

lamplighter group - Growth from Fibonacci tree

Random walk on infinite group - Entropy Speed and Growth

lamplighter group - presentation and relations

Elliptic curve with same number of points over two different fields

Recursive bijection on $\mathbb{N}^3$ using one on $\mathbb{N}^2$

Arithmetic - linear order of $\mathbb{Z}$-copies

$T$ Aronszajn tree on $\omega_1$ - partition of $T$ into countably-many antichains.

second-order indescribable - inaccessible cardinals

If a poset is $\sigma$-centered, so what can we say about $P\times P$

Positive Lebesgue measure Poset - $\sigma$-linked

CH implies the existence of an $\omega_2$-Aronszajn tree

Statement true because not provable

Aronszajn tree for infinite singular cardinal [duplicate]

Van der Waerden number - on a specific type of sequence

Isoperimetric constant on random graph

order type of club - cofinality

Fodor theorem on ultrafilter