eigenoperator

From eigen- +‎ operator.

eigenoperator (plural eigenoperators)

1. (mathematics) An operator (endomorphism) involving an eigenvalue
   • 2015, James Haglund, Jeffrey Remmel, Andrew Timothy Wilson, “The Delta Conjecture”, in arXiv‎^[1]:

     We conjecture two combinatorial interpretations for the symmetric function ${\displaystyle \Delta _{e_{k}}e_{n}}$, where ${\displaystyle \Delta _{f}}$ is an eigenoperator for the modified Macdonald polynomials defined by Garsia and Haiman.