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Bijections from Dyck and Motzkin meanders with catastrophes to pattern avoiding Dyck paths (2104.01186v2)
Published 2 Apr 2021 in math.CO and cs.DM
Abstract: In this note, we present constructive bijections from Dyck and Motzkin meanders with catastrophes to Dyck paths avoiding some patterns. As a byproduct, we deduce correspondences from Dyck and Motzkin excursions to restricted Dyck paths.