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math.CO2017★ 37 cited
LLT polynomials, chromatic quasisymmetric functions and graphs with cycles
Per Alexandersson, Greta Panova
We use a Dyck path model for unit-interval graphs to study the chromatic quasisymmetric functions introduced by Shareshian and Wachs, as well as vertical strip --- in particular, u…
math.CO2017
A major-index preserving map on fillings
Per Alexandersson, Mehtaab Sawhney
We generalize a map by S. Mason regarding two combinatorial models for key polynomials, in a way that accounts for the major index. We also define similar variants of this map, tha…