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math.CO2026
Stable patterns on permutations of multisets
Shaoshi Chen, Hanqian Fang, Sergey Kitaev
In this paper, we study patterns on permutations of multisets whose multivariate distribution generating functions are symmetric. We interpret this phenomenon through the lens of g…
math.CO2024
Patterns in Multi-dimensional Permutations
Shaoshi Chen, Hanqian Fang, Sergey Kitaev +1
In this paper, we propose a general framework that extends the theory of permutation patterns to higher dimensions and unifies several combinatorial objects studied in the literatu…