Exploració per tema "matroid"

Ara es mostren els items 1-3 de 3

    • From clutters to matroids 

      Martí Farré, Jaume (2014-01-31)
      Article
      Accés obert

    • From clutters to matroids 

      Fàbrega Canudas, José; Martí Farré, Jaume; Muñoz López, Francisco Javier (Universidad de Sevilla, 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper deals with the question of completing a monotone increasing family of subsets to obtain the dependent sets of a matroid. More precisely, we provide several natural ways of transforming the clutter of the inclusion ...

    • Internally perfect matroids 

      Dall, Aaron Matthew (2017-06-16)
      Article
      Accés obert
      In 1977 Stanley proved that the $h$-vector of a matroid is an $\mathcal{O}$-sequence and conjectured that it is a pure $\mathcal{O}$-sequence. In the subsequent years the validity of this conjecture has been shown for a ...