Question

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

score 64 · Answer 1 · 2020-07-08 14:57:41

64

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

Published on 08 Jul 2020 - 14:57

score 66 · Answer 2 · 2020-07-25 02:14:30

66

Views

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

Published on 25 Jul 2020 - 2:14

score 370 · Answer 3 · 2016-08-06 16:09:45

370

Views

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

Published on 06 Aug 2016 - 16:09

score 213 · Answer 4 · 2016-08-08 13:53:37

213

Views

Properties of a matroid relaxation

Published on 08 Aug 2016 - 13:53

score 962 · Answer 5 · 2026-03-25 06:05:24

962

Views

All maximal independent sets of a matroid have the same cardinality

Published on 25 Mar 2026 - 6:05

score 338 · Answer 6 · 2016-08-21 11:19:27

338

Views

Reference for characterizations of the uniform matroid

Published on 21 Aug 2016 - 11:19

score 160 · Answer 7 · 2016-08-21 11:30:53

160

Views

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

Published on 21 Aug 2016 - 11:30

score 93 · Answer 8 · 2016-08-23 19:34:35

93

Views

Possible error on Wiki-page for Dual_matroid

Published on 23 Aug 2016 - 19:34

score 647 · Answer 9 · 2016-09-07 12:19:36

647

Views

Non-isomorphic matroids on 5 elements

Published on 07 Sep 2016 - 12:19

score 152 · Answer 10 · 2016-09-08 08:46:34

152

Views

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

Published on 08 Sep 2016 - 8:46

score 75 · Answer 11 · 2016-09-14 14:02:48

75

Views

proof that rank 2 oriented matroids are realizable

Published on 14 Sep 2016 - 14:02

score 50 · Answer 12 · 2017-01-05 09:56:42

50

Views

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

Published on 05 Jan 2017 - 9:56

score 385 · Answer 13 · 2017-01-09 08:39:53

385

Views

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

Published on 09 Jan 2017 - 8:39

score 133 · Answer 14 · 2017-01-26 03:12:46

133

Views

$\bigtriangleup$, Binary matroids, and logical constraints

Published on 26 Jan 2017 - 3:12

score 276 · Answer 15 · 2017-01-26 20:09:36

276

Views

Examples of Gammoids

Published on 26 Jan 2017 - 20:09

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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