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math.CO2020

Expanding the quasisymmetric Macdonald polynomials in the fundamental basis

Sylvie Corteel, Olya Mandelshtam, Austin Roberts

The quasisymmetic Macdonald polynomials were recently introduced by the first and second authors with Haglund, Mason, and Williams in [3] to refine the symmetric Mac…

math.CO2020

Compact formulas for Macdonald polynomials and quasisymmetric Macdonald polynomials

Sylvie Corteel, Jim Haglund, Olya Mandelshtam +2

We present several new and compact formulas for the modified and integral form of the Macdonald polynomials, building on the compact "multiline queue" formula for Macdonald polynom…

math.CO2019

Compact formulas for Macdonald polynomials and quasisymmetric Macdonald polynomials

Sylvie Corteel, Jim Haglund, Olya Mandelshtam +2

We present several new and compact formulas for the modified and integral form of the Macdonald polynomials, building on the compact "multiline queue" formula for Macdonald polynom…

math.CO2018

Cylindric rhombic tableaux and the two-species ASEP on a ring

Sylvie Corteel, Olya Mandelshtam, Lauren Williams

The asymmetric simple exclusion exclusion process (ASEP) is a model of particles hopping on a one-dimensional lattice of n sites. It was introduced around 1970, and since then has…

math.CO2015

LGV proof of a determinantal theorem for TASEP probabilities

Olya Mandelshtam

The Totally Asymmetric Simple Exclusion Process (TASEP) is a non-equilibrium particle model on a finite one-dimensional lattice with open boundaries. In our earlier paper, we obtai…

math.CO2015

Multi-Catalan Tableaux and the Two-Species TASEP

Olya Mandelshtam

The goal of this paper is to provide a combinatorial expression for the steady state probabilities of the two-species PASEP. In this model, there are two species of particles, one…