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      Combinatorial structures of three vertices and Lie algebras 

      Cáceres González, José; Ceballos González, Manuel; Núñez Valdés, Juan; Puertas González, María Luz; Tenorio Villalón, Ángel Francisco (Computational and Mathematical Methods in Science and Engineering, 2011)
      In this paper, we characterize digraphs of 3 vertices associated with Lie algebras according to isomorphism classes of ...