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Higher $q$-Continued Fractions

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arxiv 2408.06902 v1 pith:ZZDIF7YI submitted 2024-08-13 math.CO

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keywords highercertaincontinuedfractionspreviousanalogauthorscase
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abstract

We introduce a $q$-analog of the higher continued fractions introduced by the last three authors in a previous work (together with Gregg Musiker), which are simultaneously a generalization of the $q$-rational numbers of Morier-Genoud and Ovsienko. They are defined as ratios of generating functions for $P$-partitions on certain posets. We give matrix formulas for computing them, which generalize previous results in the $q=1$ case. We also show that certain properties enjoyed by the $q$-rationals are also satisfied by our higher versions.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. On $q$-deformed Markov numbers. Cohn matrices and perfect matchings with weighted edges

    math.CO 2025-07 conditional novelty 7.0 of 10

    Every Markov triple has a unique q-deformed polynomial solution to the q-Markov equation, and these polynomials count weighted perfect matchings of snake graphs.

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