Defines a two-parameter deformation of the quasi-shuffle via formal group laws from Eulerian polynomials and constructs new bases for QSym and WQSym with this product rule.
Poirier , Cycle type and descent set in wreath products , Proceedings of the 7th Conference on Formal Power Series and Algebraic Combinatorics (Noisy-le-Gran d, 1995)
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A two-parameter deformation of the quasi-shuffle and new bases of quasi-symmetric functions
Defines a two-parameter deformation of the quasi-shuffle via formal group laws from Eulerian polynomials and constructs new bases for QSym and WQSym with this product rule.