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Noun edit

plethysm (plural plethysms)

  1. (algebra) A particular group-theoretic operation on a set of functions of a given symmetry type.
    • 2015, Thomas Kahle, Mateusz Michalek, “Obstructions to combinatorial formulas for plethysm”, in arXiv[1]:
      Motivated by questions of Mulmuley and Stanley we investigate quasi-polynomials arising in formulas for plethysm.

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