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altermatic (not comparable)

  1. (mathematics) Describing a lower bound of a chromatic number of a graph
    • 2015, Meysam Alishahi, Hossein Hajiabolhassan, “On The Chromatic Number of Matching Graphs”, in arXiv[1]:
      In this paper, as a generalization of the well-known result of Schrijver about the chromatic number of Schrijver graphs, we determine the chromatic number of a large family of matching graphs by specifying their altermatic number.