List questions from order-theory

Published on 04 May 2013 - 1:02

50

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Sufficient condition for equality with order hypothesis

Published on 04 May 2013 - 9:29

4.2k

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Properties of the cone of positive semidefinite matrices

Published on 25 Mar 2026 - 15:43

264

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Theory of structures with infinite Partial orders. $\langle H, \{\sqsubset_i \}_{i\in I} \rangle$

Published on 07 May 2013 - 16:29

207

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Why Zorn's Lemma "fails" on nested boxes problem?

Published on 12 May 2013 - 5:25

2.1k

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Why does every countable limit ordinal have cofinality $\omega$?

Published on 02 Apr 2026 - 20:29

218

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Can all non-archimedean groups be written as a product of archimedean groups?

Published on 23 Feb 2026 - 4:31

1.3k

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Set that is not well-ordered

Published on 15 May 2013 - 20:45

982

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Non-isomorphic posets

Published on 15 May 2013 - 22:25

108

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Why are the p-adic integers a linearly ordered group?

Published on 02 Apr 2026 - 1:44

394

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Looking for example of an order homomorphism that doesn't preserve joins.

Published on 01 Apr 2026 - 3:43

82

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"Let A be a set. We are able to quotient all possible well-orders over the set A." What does this mean?

Published on 17 May 2013 - 17:50

150

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strict ordering a Set

Published on 19 May 2013 - 17:20

2.7k

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What do linearly ordered abelian groups look like?

Published on 21 May 2013 - 3:45

183

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Visualizing directed preorders

Published on 22 May 2013 - 1:22

List Question

Enumerating all antichains in a finite poset

Sufficient condition for equality with order hypothesis

Properties of the cone of positive semidefinite matrices

Theory of structures with infinite Partial orders. $\langle H, \{\sqsubset_i \}_{i\in I} \rangle$

Why Zorn's Lemma "fails" on nested boxes problem?

Why does every countable limit ordinal have cofinality $\omega$?

Can all non-archimedean groups be written as a product of archimedean groups?

Set that is not well-ordered

Non-isomorphic posets

Why are the p-adic integers a linearly ordered group?

Looking for example of an order homomorphism that doesn't preserve joins.

"Let A be a set. We are able to quotient all possible well-orders over the set A." What does this mean?

strict ordering a Set

What do linearly ordered abelian groups look like?

Visualizing directed preorders

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