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      Lusternik-Schnirelmann category of simplicial complexes and finite spaces  [Article]

      Fernández Ternero, Desamparados; Macías Viirgós, Enrique; Vilches Alarcón, José Antonio (Elsevier, 2015-10)
      In this paper we establish a natural definition of Lusternik-Schnirelmann category for simplicial complexes via the well known notion of contiguity. This simplicial category has the property of being invariant under strong ...