Question

Are edges of inclusion minimal connected supergraphs bases of a matroid?

score 65 · Answer 1 · 2026-03-25 12:35:08

65

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Are edges of inclusion minimal connected supergraphs bases of a matroid?

Published on 25 Mar 2026 - 12:35

score 67 · Answer 2 · 2026-03-25 12:33:15

67

Views

Matroid induced by a matrix where a circuit's nullspace is spanned by a non-negative vector

Published on 25 Mar 2026 - 12:33

score 375 · Answer 3 · 2026-04-17 03:44:54

375

Views

Does the strong elimination axiom hold also for the set of dependent sets of a matroid?

Published on 17 Apr 2026 - 3:44

score 216 · Answer 4 · 2026-04-08 23:52:01

216

Views

Properties of a matroid relaxation

Published on 08 Apr 2026 - 23:52

score 963 · Answer 5 · 2026-05-10 17:15:34

963

Views

All maximal independent sets of a matroid have the same cardinality

Published on 10 May 2026 - 17:15

score 341 · Answer 6 · 2026-04-15 06:55:49

341

Views

Reference for characterizations of the uniform matroid

Published on 15 Apr 2026 - 6:55

score 163 · Answer 7 · 2026-04-16 06:53:43

163

Views

Pairs of matroids $(M_1, M_2)$ with $\mathcal C(M_1) = \mathcal B(M_2)$

Published on 16 Apr 2026 - 6:53

score 98 · Answer 8 · 2026-05-10 19:15:39

98

Views

Possible error on Wiki-page for Dual_matroid

Published on 10 May 2026 - 19:15

score 650 · Answer 9 · 2026-04-13 08:46:27

650

Views

Non-isomorphic matroids on 5 elements

Published on 13 Apr 2026 - 8:46

score 155 · Answer 10 · 2026-04-16 15:58:20

155

Views

Are there matroids with $\mathcal F(M) \subsetneq \mathcal F(M^)$ or $\mathcal C(M) \subsetneq \mathcal C(M^)$?

Published on 16 Apr 2026 - 15:58

score 78 · Answer 11 · 2026-04-16 04:30:43

78

Views

proof that rank 2 oriented matroids are realizable

Published on 16 Apr 2026 - 4:30

score 53 · Answer 12 · 2026-04-14 03:12:00

53

Views

What's the meaning of the third constraint of the I-matroid?

Published on 14 Apr 2026 - 3:12

score 388 · Answer 13 · 2026-04-17 06:45:11

388

Views

Why is the cardinality both supermodular and submodular(or modular)?

Published on 17 Apr 2026 - 6:45

score 136 · Answer 14 · 2026-04-15 23:29:25

136

Views

$\bigtriangleup$, Binary matroids, and logical constraints

Published on 15 Apr 2026 - 23:29

score 282 · Answer 15 · 2026-04-30 15:23:27

282

Views

Examples of Gammoids

Published on 30 Apr 2026 - 15:23

List Question

Are edges of inclusion minimal connected supergraphs bases of a matroid?

Matroid induced by a matrix where a circuit's nullspace is spanned by a non-negative vector

Does the strong elimination axiom hold also for the set of dependent sets of a matroid?

Properties of a matroid relaxation

All maximal independent sets of a matroid have the same cardinality

Reference for characterizations of the uniform matroid

Pairs of matroids $(M_1, M_2)$ with $\mathcal C(M_1) = \mathcal B(M_2)$

Possible error on Wiki-page for Dual_matroid

Non-isomorphic matroids on 5 elements

Are there matroids with $\mathcal F(M) \subsetneq \mathcal F(M^)$ or $\mathcal C(M) \subsetneq \mathcal C(M^)$?

proof that rank 2 oriented matroids are realizable

What's the meaning of the third constraint of the I-matroid?

Why is the cardinality both supermodular and submodular(or modular)?

$\bigtriangleup$, Binary matroids, and logical constraints

Examples of Gammoids

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