Exploració per autor "Gimbert Quintilla, Joan"

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    • Nonexistence of almost Moore digraphs of diameter four 

      Conde Colom, Josep; Gimbert Quintilla, Joan; González Rovira, Josep; Miret Biosca, Josep Maria; Moreno Chiral, Ramiro (2013-03-31)
      Article
      Accés obert
      Regular digraphs of degree d > 1, diameter k > 1 and order N(d; k) = d+ +dk will be called almost Moore (d; k)-digraphs. So far, the problem of their existence has only been solved when d = 2; 3 or k = 2; 3. In this ...

    • On the nonexistence of almost Moore digraphs 

      Conde Colom, Josep; Gimbert Quintilla, Joan; González Rovira, Josep; Miller, Mirka; Miret Biosca, Josep Maria (2014-07-01)
      Article
      Accés restringit per política de l'editorial
      Digraphs of maximum out-degree at most d > 1, diameter at most k > 1 and order N(d, k) = d + ... + d(k) are called almost Moore or (d, k)-digraphs. So far, the problem of their existence has been solved only when d = 2, 3 ...