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15
35
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Complete the gap in a ranked poset (even number of ways?)

Published on
#combinatorics #homological-algebra #order-theory #lattice-orders
39
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Is a homeomorphism between complete DLOs necessarily an order isomorphism or order-reversing?

Published on
#general-topology #set-theory #order-theory
148
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Countable versus uncountable dense linear orders

Published on
#first-order-logic #order-theory #automorphism-group #well-orders
75
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Prove a lemma about permutations

Published on
#discrete-mathematics #permutations #order-theory #trees #decision-trees
140
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A dominance issue in two ordered sequences of integers

Published on
#combinatorics #order-theory #natural-numbers
54
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Is there a commonly used name for this weakening of the Archimedean property?

Published on
#ring-theory #reference-request #order-theory
162
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Is this subset of a closed set Borel measurable?

Published on
#measure-theory #order-theory #descriptive-set-theory
62
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Does a total or well ordering has a countable cofinal

Published on
#logic #set-theory #order-theory #axiom-of-choice #well-orders
90
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Proving Non-Isomorphism between $\mathbb{Q}$ and $\mathbb{Z}$ Using POSET Concepts

Published on
#group-theory #order-theory
131
Views

Existence of supremum implies existence of infimum

Published on
#elementary-set-theory #order-theory #supremum-and-infimum
29
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Simple linear regression (one regressor) gives total order proof

Published on
#relations #order-theory #regression
18
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Antipath in regard to a graph of transitive closure

Published on
#graph-theory #order-theory
56
Views

Does the uniqueness of the supremum refer to an element in the set or its `position'?

Published on
#order-theory
31
Views

A class of linear orderings with a convexity property on ordinals

Published on
#reference-request #order-theory #ordinals #well-orders
54
Views

Are complete sublattices of algebraic lattices algebraic?

Published on
#order-theory #lattice-orders

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