User Dominic van der Zypen

2 votes

0 answers

73 views

Is parquetability decidable?

asked Dec 1, 2022 at 18:07

2 votes

1 answer

177 views

Inspired by a card game: finding a path through $[\mathbb{N}]^n$

asked Apr 30, 2023 at 19:59

2 votes

0 answers

147 views

"Almost rational" irrational

asked May 1, 2023 at 12:00

2 votes

1 answer

68 views

Possible chromatic numbers of a hypergraph on $\omega$ with a deck of edges

asked Jul 22, 2023 at 7:22

2 votes

2 answers

64 views

Does $(\omega, E)$ with the cycle condition have an $\omega$-path?

asked Jul 31, 2023 at 18:49

2 votes

1 answer

196 views

Tossing a coin around $\mathbb{Z}/n\mathbb{Z}$ [closed]

asked Apr 21, 2023 at 8:21

2 votes

1 answer

145 views

Computability of fillability of unit cube in $\mathbb{R}^n$ by $k$ $\varepsilon$-balls

asked Jan 9, 2023 at 12:33

2 votes

1 answer

300 views

Strongly uniform infinite binary strings

asked Feb 15, 2023 at 14:01

2 votes

1 answer

224 views

Approximate size of the image of functions $f:[n]\to[n]$ [closed]

asked Feb 19, 2023 at 21:12

2 votes

1 answer

215 views

Measuring how "close" $\alpha\in[0,1]\setminus\mathbb{Q}$ is to being rational

asked Jan 19, 2023 at 21:07

2 votes

1 answer

46 views

Summable hypergraphs

asked Jul 13, 2021 at 7:16

2 votes

0 answers

87 views

Shrinking a hypergraph to a graph with identical chromatic number

asked May 18, 2021 at 12:37

2 votes

0 answers

733 views

Expected value of length of longest cycle in permutation

asked May 26, 2021 at 9:15

2 votes

2 answers

202 views

Sunflowers in $\omega$ consisting of infinite sets

asked Jun 6, 2021 at 18:47

2 votes

2 answers

309 views

"Haar-like" measure on $S_\omega$

asked Feb 23, 2021 at 17:36

2 votes

1 answer

229 views

A notion of thinness for subsets of $\omega$, using chromatic number

asked Feb 15, 2021 at 8:26

2 votes

1 answer

300 views

Decreasing the chromatic number by $2$ by removing $2$ well-chosen vertices

asked Feb 2, 2021 at 10:01

2 votes

1 answer

189 views

Chromatic number of rainbow hypergraphs

asked Feb 10, 2021 at 9:59

2 votes

0 answers

55 views

Expectation of Hadwiger number of a random graph

asked Dec 15, 2020 at 9:26

2 votes

1 answer

246 views

Families with finite intersection property on $\kappa>\omega$

asked Oct 16, 2020 at 8:30

2 votes

2 answers

92 views

Matching number in infinite hypergraphs

asked Dec 6, 2021 at 13:58

2 votes

1 answer

59 views

Minimal vertex-covering set

asked Dec 8, 2021 at 12:43

2 votes

1 answer

116 views

Cardinalities of maximal linear $k$-subsets of $n = \{0,\ldots,n-1\}$

asked Nov 2, 2021 at 12:45

2 votes

1 answer

173 views

Chromatic number and taking duals of hypergraphs

asked Dec 19, 2021 at 16:00

2 votes

1 answer

119 views

Dedekind-MacNeille completion of ${\cal P}(\omega)/({\rm fin})$

asked Oct 11, 2021 at 16:47

2 votes

2 answers

131 views

$\min$-compactness vs metacompactness

asked Oct 13, 2021 at 12:47

2 votes

1 answer

388 views

Expected value of attempts needed to find a "pair" of cards

asked Aug 10, 2021 at 11:08

2 votes

1 answer

173 views

Is the union of a chain of $\kappa$-colorable subgraphs $\kappa$-colorable?

asked Jul 30, 2021 at 7:00

2 votes

0 answers

149 views

Binary operation approximating "addition" on $2^\omega$

asked Jan 26, 2022 at 13:11

2 votes

1 answer

109 views

Minimal cardinality of non-bipartite sub-family of $[\omega]^\omega$

asked Jun 27, 2022 at 9:12

Stack Exchange Network

1,209 Questions

Is parquetability decidable?

Inspired by a card game: finding a path through $[\mathbb{N}]^n$

"Almost rational" irrational

Possible chromatic numbers of a hypergraph on $\omega$ with a deck of edges

Does $(\omega, E)$ with the cycle condition have an $\omega$-path?

Tossing a coin around $\mathbb{Z}/n\mathbb{Z}$ [closed]

Computability of fillability of unit cube in $\mathbb{R}^n$ by $k$ $\varepsilon$-balls

Strongly uniform infinite binary strings

Approximate size of the image of functions $f:[n]\to[n]$ [closed]

Measuring how "close" $\alpha\in[0,1]\setminus\mathbb{Q}$ is to being rational

Summable hypergraphs

Shrinking a hypergraph to a graph with identical chromatic number

Expected value of length of longest cycle in permutation

Sunflowers in $\omega$ consisting of infinite sets

"Haar-like" measure on $S_\omega$

A notion of thinness for subsets of $\omega$, using chromatic number

Decreasing the chromatic number by $2$ by removing $2$ well-chosen vertices

Chromatic number of rainbow hypergraphs

Expectation of Hadwiger number of a random graph

Families with finite intersection property on $\kappa>\omega$

Matching number in infinite hypergraphs

Minimal vertex-covering set

Cardinalities of maximal linear $k$-subsets of $n = \{0,\ldots,n-1\}$

Chromatic number and taking duals of hypergraphs

Dedekind-MacNeille completion of ${\cal P}(\omega)/({\rm fin})$

$\min$-compactness vs metacompactness

Expected value of attempts needed to find a "pair" of cards

Is the union of a chain of $\kappa$-colorable subgraphs $\kappa$-colorable?

Binary operation approximating "addition" on $2^\omega$

Minimal cardinality of non-bipartite sub-family of $[\omega]^\omega$