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Aug 25 at 11:35 comment added F. C. Koszul duality of operads involves the inversion of symmetric functions with respect to plethysm. For example, the operads Comm and Lie are Koszul dual. Their associated symmetric functions (recording the action of symmetric groups on components of the operad) are (up to suspension) inverse of each other for the plethysm.
Sep 14, 2021 at 13:53 history asked Chris H CC BY-SA 4.0