Proceedings of the Twenty-Fourth Annual ACM Symposium on Theory of Computing - STOC '92 1992
DOI: 10.1145/129712.129716
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Balanced matroids

Abstract: DalanceaCenter CA 95120We introduce the notion of 'balance" , and say that a rnatroid is balanced if the matroid and all its minors satisfy the property that, for a randomly chosen baais, the presence of an element can only make any other element less likely.

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Cited by 141 publications
(174 citation statements)
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“…There are many important examples of negatively dependent "repelling" random variables in probability theory, combinatorics, stochastic processes and statistical mechanics: uniform random spanning tree measures [16], symmetric exclusion processes [52,55], random cluster models (with q < 1) [33,42,65], balanced and Rayleigh matroids [20,29,68,70,72], competing urns models [26], etc; see, e.g., [45,65] and the references therein for a discussion of some of these examples and several others. To add to this list, in §3 we show that both the inequalities characterizing multi-affine real stable polynomials [8,9,15] and Hadamard-FischerKotelyansky type inequalities in matrix theory [28,40,39] may in fact be viewed as natural manifestations of negative dependence properties.…”
Section: F Dµ Gdµ ≤ F Gdµmentioning
confidence: 99%
See 1 more Smart Citation
“…There are many important examples of negatively dependent "repelling" random variables in probability theory, combinatorics, stochastic processes and statistical mechanics: uniform random spanning tree measures [16], symmetric exclusion processes [52,55], random cluster models (with q < 1) [33,42,65], balanced and Rayleigh matroids [20,29,68,70,72], competing urns models [26], etc; see, e.g., [45,65] and the references therein for a discussion of some of these examples and several others. To add to this list, in §3 we show that both the inequalities characterizing multi-affine real stable polynomials [8,9,15] and Hadamard-FischerKotelyansky type inequalities in matrix theory [28,40,39] may in fact be viewed as natural manifestations of negative dependence properties.…”
Section: F Dµ Gdµ ≤ F Gdµmentioning
confidence: 99%
“…It was first considered for uniform measures on the set of bases of a matroid [20] as a strengthening of weaker notions studied in [29,69]. The following properties of Rayleigh polynomials are consequences of Definition 2.5.…”
Section: Definition 23mentioning
confidence: 99%
“…We use that to prove Corollaries 5.17 and 5. 19. But before that, we state the following technical lemma whose proof is deferred to the appendix.…”
Section: Cut Classes With Inside Atomsmentioning
confidence: 99%
“…Feder and Mihail [19] proved that uniform measures on balanced matroids (and in particular on spanning trees) have negative association. Borcea et al in [8] proved that the strongly Rayleigh measure satisfy the strongest form of negative association known as CNA+ which we do not describe here.…”
Section: Random Spanning Trees and Strongly Rayleigh Measuresmentioning
confidence: 99%
“…Additionally, improvements can be achieved in the following static problems (see [4,3]): randomly sampling spanning forests of a given graph [6] and finding a color-constrained minimum spanning tree [8].…”
Section: Introductionmentioning
confidence: 99%