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math.CO2020★ 1 cited
Eulerian pairs and Eulerian recurrence systems
Shi-Mei Ma, Jun Ma, Jean Yeh +1
In this paper, we characterize a duality relation between Eulerian recurrences and Eulerian recurrence systems, which generalizes and unifies Hermite-Biehler decompositions of seve…
math.CO2020
The gamma-positivity of Eulerian polynomials and succession statistics
Shi-Mei Ma, Jun Ma, Jean Yeh +1
This paper is concerned with multivariate refinements of the gamma-positivity of Eulerian polynomials by using the succession and fixed point statistics. Properties of the enumerat…
math.CO2020
The 1/k-Eulerian polynomials of type B
Shi-Mei Ma, Jun Ma, Jean Yeh +1
In this paper, we give a type B analogue of the 1/k-Eulerian polynomials. Properties of this kind of polynomials, including combinatorial interpretations, recurrence relations and…