User Dominic van der Zypen

2 votes

1 answer

93 views

Compactness of Hadwiger number

asked Aug 31, 2018 at 9:21

2 votes

1 answer

103 views

Example of self-dual hypergraph with infinite edges

asked Aug 10, 2018 at 9:46

2 votes

1 answer

165 views

Maximality with respect to the splitting property

asked Aug 13, 2018 at 6:36

2 votes

2 answers

149 views

Graphs in which all maximal matchings intersect

asked Sep 16, 2018 at 8:38

2 votes

1 answer

240 views

Set of integer matrices $A$ such that $(A^k)_{k\in\mathbb{N}}$ is eventually periodic

asked Nov 29, 2018 at 9:20

2 votes

2 answers

269 views

Meta-incomputability

asked Nov 29, 2018 at 19:10

2 votes

1 answer

84 views

Spatial dimension of a finite graph

asked Dec 8, 2018 at 14:39

2 votes

1 answer

92 views

Is the topology generated by the union of a chain of paracompact topologies paracompact?

asked Oct 24, 2018 at 6:53

2 votes

1 answer

161 views

Graphs with exactly $n$ perfect matchings

asked Sep 23, 2018 at 12:17

2 votes

1 answer

116 views

Non-discrete $T_2$-space $(X,\tau)$ with $2^{|X|}$ retracts

asked Dec 12, 2018 at 12:39

2 votes

1 answer

155 views

Induced minors of $\{0,1\}^\omega$

asked Jan 1, 2019 at 16:36

2 votes

2 answers

186 views

Infima and suprema in the "transfer" function ordering

asked Jan 13, 2019 at 11:28

2 votes

1 answer

233 views

Fixed point property and interval topology

asked Feb 1, 2019 at 9:12

2 votes

1 answer

89 views

$T_1$-spaces vs $T_1$-hypergraphs

asked Feb 26, 2019 at 8:56

2 votes

1 answer

330 views

Transversal of $\mathbb{N}\times\mathbb{N}$

asked Mar 29 at 19:08

2 votes

1 answer

86 views

Pseudo-partitions of $\mathbb{N}$

asked Apr 4 at 18:22

2 votes

1 answer

164 views

Cardinality of maximal diverse families

asked Apr 8 at 8:37

2 votes

1 answer

105 views

"Spanning trees" for connected linear hypergraphs

asked Jun 7 at 9:38

2 votes

1 answer

202 views

Finite $k$-set-respecting splitting of $\mathbb{N}$

asked Nov 20, 2023 at 13:21

2 votes

1 answer

76 views

Finite pair-splitting family of $\mathbb{N}$

asked Nov 21, 2023 at 16:27

2 votes

1 answer

60 views

Left-shift cycle generating maps $f:\{0,1\}^{c_0}\to\{0,1\}$ for fixed length $c_0$

asked Nov 14, 2023 at 8:33

2 votes

1 answer

90 views

Is the Hadwiger-Nelson graph restricted to $\mathbb{Q}\times\mathbb{Q}$ bipartite?

asked Aug 29, 2023 at 12:24

2 votes

2 answers

248 views

Maximal uncountable chains in ${\cal P}(\omega)$

asked Aug 7, 2022 at 11:25

2 votes

1 answer

106 views

Hamiltonian path in divisibility graph

asked Jul 8, 2022 at 12:20

2 votes

1 answer

243 views

"Rule 30" in the infinite setting

asked Aug 31, 2022 at 14:15

2 votes

4 answers

148 views

$k$-regular linear set systems

asked Aug 16, 2022 at 19:15

2 votes

1 answer

74 views

Assigning numbers $\{1,\ldots,k+1\}$ in a balanced way in a $k$-regular graph

asked Aug 21, 2022 at 15:40

2 votes

1 answer

303 views

De Bruijn–Erdős theorem for hypergraphs

asked Oct 17, 2022 at 7:21

2 votes

0 answers

114 views

Product-decomposition of ${\cal P}(\omega)/\rm{fin}$ [closed]

asked Oct 17, 2022 at 12:08

2 votes

1 answer

119 views

"Combined" chromatic number of $2$ graphs glued together with $2$ edges per vertex

asked Nov 29, 2022 at 9:47

Stack Exchange Network

1,209 Questions

Compactness of Hadwiger number

Example of self-dual hypergraph with infinite edges

Maximality with respect to the splitting property

Graphs in which all maximal matchings intersect

Set of integer matrices $A$ such that $(A^k)_{k\in\mathbb{N}}$ is eventually periodic

Meta-incomputability

Spatial dimension of a finite graph

Is the topology generated by the union of a chain of paracompact topologies paracompact?

Graphs with exactly $n$ perfect matchings

Non-discrete $T_2$-space $(X,\tau)$ with $2^{|X|}$ retracts

Induced minors of $\{0,1\}^\omega$

Infima and suprema in the "transfer" function ordering

Fixed point property and interval topology

$T_1$-spaces vs $T_1$-hypergraphs

Transversal of $\mathbb{N}\times\mathbb{N}$

Pseudo-partitions of $\mathbb{N}$

Cardinality of maximal diverse families

"Spanning trees" for connected linear hypergraphs

Finite $k$-set-respecting splitting of $\mathbb{N}$

Finite pair-splitting family of $\mathbb{N}$

Left-shift cycle generating maps $f:\{0,1\}^{c_0}\to\{0,1\}$ for fixed length $c_0$

Is the Hadwiger-Nelson graph restricted to $\mathbb{Q}\times\mathbb{Q}$ bipartite?

Maximal uncountable chains in ${\cal P}(\omega)$

Hamiltonian path in divisibility graph

"Rule 30" in the infinite setting

$k$-regular linear set systems

Assigning numbers $\{1,\ldots,k+1\}$ in a balanced way in a $k$-regular graph

De Bruijn–Erdős theorem for hypergraphs

Product-decomposition of ${\cal P}(\omega)/\rm{fin}$ [closed]

"Combined" chromatic number of $2$ graphs glued together with $2$ edges per vertex