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Etymology edit

pre- +‎ fundamental

Adjective edit

prefundamental (not comparable)

  1. (mathematics) Given a group G that acts on a set P, a subset P is prefundamental for G if, for any g in G, gB is in B only if g is 1.
    • 2015, H. Boos, F. Göhmann, A. Klümper, Kh. S. Nirov, A. V. Razumov, “Oscillator versus prefundamental representations”, in arXiv[1]:
      This allows, in particular, to relate  -oscillator and prefundamental representations..