Question

Covering relation in the lattice of closed subsets

score 84 · Answer 1 · 2026-05-10 15:19:46

84

Views

Covering relation in the lattice of closed subsets

Published on 10 May 2026 - 15:19

score 123 · Answer 2 · 2026-05-10 17:16:06

123

Views

Meaning of dots in Lattice / Galois Connection

Published on 10 May 2026 - 17:16

score 55 · Answer 3 · 2026-04-10 14:05:10

55

Views

Is lattice regular if all principal congruences are regular?

Published on 10 Apr 2026 - 14:05

score 96 · Answer 4 · 2026-04-11 22:21:35

96

Views

Property of meets and joins (infima and suprema) in a set

Published on 11 Apr 2026 - 22:21

score 145 · Answer 5 · 2026-04-09 21:00:59

145

Views

Are surjective homomorphisms in lattices completely determined by their kernel?

Published on 09 Apr 2026 - 21:00

score 143 · Answer 6 · 2026-05-06 09:44:31

143

Views

Scott topology vs the topology generated by the complements of principal ideals

Published on 06 May 2026 - 9:44

score 103 · Answer 7 · 2026-04-13 13:26:49

103

Views

Is the codomain of a surjective lattice-homomorphism Heyting if the domain is Heyting?

Published on 13 Apr 2026 - 13:26

score 383 · Answer 8 · 2026-04-28 14:54:11

383

Views

Are frames (the lattice kind) complete?

Published on 28 Apr 2026 - 14:54

score 128 · Answer 9 · 2026-04-13 12:16:25

128

Views

Characterize Powersets among CPOs

Published on 13 Apr 2026 - 12:16

score 160 · Answer 10 · 2026-04-14 01:39:01

160

Views

Compactness already if every open cover of subbasis elements has a finite subcover?

Published on 14 Apr 2026 - 1:39

score 211 · Answer 11 · 2026-05-10 14:48:57

211

Views

How to dram Hasse Diagram in a lattice theory

Published on 10 May 2026 - 14:48

score 267 · Answer 12 · 2026-04-12 14:25:47

267

Views

When is a line diagram not lattice?

Published on 12 Apr 2026 - 14:25

score 262 · Answer 13 · 2026-04-17 05:57:59

262

Views

If $2^\mu$ and $2^\lambda$ are isomorphic as boolean algebras, is it true that $\mu = \lambda$?

Published on 17 Apr 2026 - 5:57

score 254 · Answer 14 · 2026-04-29 12:54:55

254

Views

What is the Stone space of the free sigma-algebra on countably many generators

Published on 29 Apr 2026 - 12:54

score 110 · Answer 15 · 2026-04-28 19:32:38

110

Views

If $f$ is an epimorphism of frames, it is surjective as function?

Published on 28 Apr 2026 - 19:32

List Question

Covering relation in the lattice of closed subsets

Meaning of dots in Lattice / Galois Connection

Is lattice regular if all principal congruences are regular?

Property of meets and joins (infima and suprema) in a set

Are surjective homomorphisms in lattices completely determined by their kernel?

Scott topology vs the topology generated by the complements of principal ideals

Is the codomain of a surjective lattice-homomorphism Heyting if the domain is Heyting?

Are frames (the lattice kind) complete?

Characterize Powersets among CPOs

Compactness already if every open cover of subbasis elements has a finite subcover?

How to dram Hasse Diagram in a lattice theory

When is a line diagram not lattice?

If $2^\mu$ and $2^\lambda$ are isomorphic as boolean algebras, is it true that $\mu = \lambda$?

What is the Stone space of the free sigma-algebra on countably many generators

If $f$ is an epimorphism of frames, it is surjective as function?

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