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math.CO2026
A permutation based approach to the -deformation of the Dynkin Operator
Darij Grinberg, Ekaterina A. Vassilieva
Introduced by Solomon, the descent algebra is a significant subalgebra of the group algebra of the symmetric group related to many important algebraic and combinato…
math.CO2026★ 1 cited
The enriched -monomial basis of the quasisymmetric functions
Darij Grinberg, Ekaterina A. Vassilieva
We construct a new family of quasisymmetric functions for each element of the base ring. We call them the…