Question

How to Prove a Simple Graph is Hamiltonian If and Only If Its Closure is Hamiltonian

score 4.6k · Answer 1 · 2026-04-14 20:47:06

4.6k

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How to Prove a Simple Graph is Hamiltonian If and Only If Its Closure is Hamiltonian

Published on 14 Apr 2026 - 20:47

score 135 · Answer 2 · 2026-04-14 07:36:39

135

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I noticed a pattern, does this have a name?

Published on 14 Apr 2026 - 7:36

score 417 · Answer 3 · 2026-04-10 03:20:13

417

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When does "pairwise" strengthen and when does it weaken?

Published on 10 Apr 2026 - 3:20

score 687 · Answer 4 · 2026-04-16 04:50:54

687

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Construct a graph G for which the is-adjacent-to relation is antisymmetric.

Published on 16 Apr 2026 - 4:50

score 641 · Answer 5 · 2026-04-17 23:20:42

641

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Examples of proofs by induction with respect to relations that are not strict total orders.

Published on 17 Apr 2026 - 23:20

score 708 · Answer 6 · 2026-04-14 11:03:07

708

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Is this transitive relation or not?

Published on 14 Apr 2026 - 11:03

score 892 · Answer 7 · 2026-04-12 20:46:04

892

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A counter-example for a set-theoretic problem?

Published on 12 Apr 2026 - 20:46

score 5.5k · Answer 8 · 2026-04-17 05:01:19

5.5k

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how to prove that function is injective or surjective?

Published on 17 Apr 2026 - 5:01

score 65 · Answer 9 · 2026-04-12 22:21:04

65

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Product of relations described in categorical terms?

Published on 12 Apr 2026 - 22:21

score 610 · Answer 10 · 2026-04-13 09:55:43

610

Views

Questions about maximal element and minimal element

Published on 13 Apr 2026 - 9:55

score 105 · Answer 11 · 2026-04-16 13:38:18

105

Views

Write down all of the elements of $S_6 \times S_6$ which are related to $u = (6, 5)$ under $R'$

Published on 16 Apr 2026 - 13:38

score 573 · Answer 12 · 2026-04-15 03:59:02

573

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Operator: 'Greater Than Or Equal To' is not 'equasive' or 'inequasive' So what is it?

Published on 15 Apr 2026 - 3:59

score 4.9k · Answer 13 · 2026-04-17 04:01:53

4.9k

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function f satisfies f(xy) = f(x)/y , f(30) = 20. Find f(40)

Published on 17 Apr 2026 - 4:01

score 648 · Answer 14 · 2026-04-13 18:32:12

648

Views

Gallai's theorem, colourings and equivalence relations

Published on 13 Apr 2026 - 18:32

score 1.4k · Answer 15 · 2026-04-09 21:46:35

1.4k

Views

Can we extend the definition of a homomorphism to binary relations?

Published on 09 Apr 2026 - 21:46

List Question

How to Prove a Simple Graph is Hamiltonian If and Only If Its Closure is Hamiltonian

I noticed a pattern, does this have a name?

When does "pairwise" strengthen and when does it weaken?

Construct a graph G for which the is-adjacent-to relation is antisymmetric.

Examples of proofs by induction with respect to relations that are not strict total orders.

Is this transitive relation or not?

A counter-example for a set-theoretic problem?

how to prove that function is injective or surjective?

Product of relations described in categorical terms?

Questions about maximal element and minimal element

Write down all of the elements of $S_6 \times S_6$ which are related to $u = (6, 5)$ under $R'$

Operator: 'Greater Than Or Equal To' is not 'equasive' or 'inequasive' So what is it?

function f satisfies f(xy) = f(x)/y , f(30) = 20. Find f(40)

Gallai's theorem, colourings and equivalence relations

Can we extend the definition of a homomorphism to binary relations?

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