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math.CO2026
Pattern restricted parking functions with limited preferences
Kassie Archer, Robert Laudone
A parking function is said to have -limited preferences if there are at most copies of each element in the parking function. In this paper, we define a notion of patte…
math.CO2026
Permutations that strongly avoid 132
Kassie Archer, Christina Graves
A permutation strongly avoids the pattern if both and avoid . In this paper, we enumerate permutations of size that strongly avoid the pattern 132. This en…
math.CO2026
Arrow pattern avoidance in permutations: structure and enumeration
Kassie Archer, Robert P. Laudone
Arrow patterns were introduced by Berman and Tenner as a generalization of vincular patterns. They observed that arrow patterns have the potential to bridge the divide between a pe…