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Etymology edit

Named by J. H. Mason in a 1972 paper (On a Class of Matroids Arising From Paths in Graphs).

Noun edit

gammoid (plural gammoids)

  1. (mathematics) A certain kind of matroid, describing sets of vertices that can be reached by vertex-disjoint paths in a directed graph.

Adjective edit

gammoid (comparative more gammoid, superlative most gammoid)

  1. Shaped like a gamma.