User Dominic van der Zypen

2 votes

4 answers

1k views

Regular tournaments

asked Jul 26, 2016 at 18:30

2 votes

1 answer

172 views

Density measure on $\mathbb{N}^2$

asked Sep 5, 2016 at 8:56

2 votes

2 answers

110 views

Critical graphs and endomorphisms

asked Aug 31, 2016 at 7:22

2 votes

3 answers

301 views

Hadwiger number and minimal degree

asked May 27, 2016 at 19:01

2 votes

1 answer

149 views

Spaces $Y$ such that $C(-, Y)$ is always acceptable

asked Jun 20, 2016 at 9:01

2 votes

1 answer

97 views

Is the covering property $\Omega \choose \text{T}$ closed under products?

asked Aug 6, 2015 at 6:50

2 votes

2 answers

265 views

Hedetniemi's conjecture for graphs with countable chromatic number

asked Aug 20, 2015 at 7:49

2 votes

1 answer

154 views

Reconstructing relations with the image relation of a topology

asked Aug 12, 2015 at 11:34

2 votes

1 answer

220 views

Surjectively rigid partially ordered sets

asked Aug 14, 2015 at 11:12

2 votes

1 answer

229 views

Relationship of ${\cal P}(\omega)/fin$ and ${\cal L}$

asked Aug 28, 2015 at 7:21

2 votes

1 answer

155 views

Maximum and minimum diameter of categorical graph product

asked Aug 31, 2015 at 6:50

2 votes

2 answers

195 views

Are lattices quotients of their Dedekind-MacNeille completion?

asked Oct 1, 2015 at 11:24

2 votes

1 answer

141 views

Is the interval topology of $(\mathbb{N}^\mathbb{N}, \leq^*)$ connected?

asked Dec 22, 2015 at 20:14

1 vote

1 answer

118 views

Weak Erdos graphs

asked Nov 14, 2015 at 19:38

1 vote

1 answer

132 views

"Immovable" topological spaces

asked Oct 7, 2015 at 7:46

1 vote

1 answer

631 views

Computability of prime difference function

asked Sep 22, 2015 at 10:31

1 vote

1 answer

105 views

Open cover not containing a certain subcover

asked Oct 1, 2015 at 8:59

1 vote

1 answer

106 views

Similarity graph for continuous maps between Hausdorff spaces

asked Sep 8, 2015 at 8:33

1 vote

0 answers

73 views

Injectively rigid spaces

asked Aug 18, 2015 at 11:38

1 vote

1 answer

202 views

Quotients of powers of the Sierpinski space

asked Aug 20, 2015 at 7:35

1 vote

1 answer

121 views

Is there a surjective lattice homomorphism $f: {\cal L}\to \mathbb{N}^\mathbb{N}$?

asked Aug 26, 2015 at 6:51

1 vote

1 answer

65 views

Hausdorff spaces with asymmetric image relation

asked Aug 12, 2015 at 7:07

1 vote

1 answer

141 views

Cardinality of pairwise non-isomorphic complete lattices on an infinite cardinal $\kappa$

asked Aug 6, 2015 at 6:14

1 vote

1 answer

203 views

"Canonical" graph structure on $\text{Hom}(G, H)$

asked Jul 9, 2015 at 8:03

1 vote

1 answer

71 views

Simplyfing join-incomplete lattice endomorphisms

asked Jul 20, 2015 at 8:08

1 vote

1 answer

83 views

Example of a collection of metacompact spaces with non-metacompact box-product

asked Jun 24, 2015 at 6:26

1 vote

0 answers

371 views

Fermat's Last Theorem in $\mathbb{Z}/n\mathbb{Z}$

asked Jun 29, 2015 at 7:02

1 vote

3 answers

304 views

Topological properties via properties continuous maps [closed]

asked Jun 22, 2016 at 8:58

1 vote

1 answer

130 views

Hadwiger number of total graph

asked May 27, 2016 at 6:28

1 vote

1 answer

97 views

Order on the collection of coverings

asked Jul 4, 2016 at 12:45

Stack Exchange Network

1,209 Questions

Regular tournaments

Density measure on $\mathbb{N}^2$

Critical graphs and endomorphisms

Hadwiger number and minimal degree

Spaces $Y$ such that $C(-, Y)$ is always acceptable

Is the covering property $\Omega \choose \text{T}$ closed under products?

Hedetniemi's conjecture for graphs with countable chromatic number

Reconstructing relations with the image relation of a topology

Surjectively rigid partially ordered sets

Relationship of ${\cal P}(\omega)/fin$ and ${\cal L}$

Maximum and minimum diameter of categorical graph product

Are lattices quotients of their Dedekind-MacNeille completion?

Is the interval topology of $(\mathbb{N}^\mathbb{N}, \leq^*)$ connected?

Weak Erdos graphs

"Immovable" topological spaces

Computability of prime difference function

Open cover not containing a certain subcover

Similarity graph for continuous maps between Hausdorff spaces

Injectively rigid spaces

Quotients of powers of the Sierpinski space

Is there a surjective lattice homomorphism $f: {\cal L}\to \mathbb{N}^\mathbb{N}$?

Hausdorff spaces with asymmetric image relation

Cardinality of pairwise non-isomorphic complete lattices on an infinite cardinal $\kappa$

"Canonical" graph structure on $\text{Hom}(G, H)$

Simplyfing join-incomplete lattice endomorphisms

Example of a collection of metacompact spaces with non-metacompact box-product

Fermat's Last Theorem in $\mathbb{Z}/n\mathbb{Z}$

Topological properties via properties continuous maps [closed]

Hadwiger number of total graph

Order on the collection of coverings