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English

Etymology

Blend of rectangle +‎ graph

Noun

rectagraph (plural rectagraphs)

  1. (graph theory) A triangle-free connected graph where any two vertices have 0 or 2 common neighbors.
    • 2015, Joanna B. Fawcett, “Locally triangular graphs and normal quotients of the -cube”, in arXiv‎:
      Such graphs are known to be halved graphs of bipartite rectagraphs, which are connected triangle-free graphs in which every -path lies in a unique quadrangle.
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