Associated Permutations of Complete Non-Ambiguous Trees

We explore new connections between complete non-ambiguous trees (CNATs) and permutations. We give a bijection between tree-like tableaux and a specific subset of CNATs. This map is used to establish and solve a recurrence relation for the number of tree-like tableaux of a fixed size without occupied...

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Bibliographic Details
Main Authors: Daniel Chen, Sebastian Ohlig
Format: Article
Language:English
Published: Discrete Mathematics & Theoretical Computer Science 2024-04-01
Series:Discrete Mathematics & Theoretical Computer Science
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Online Access:http://dmtcs.episciences.org/11169/pdf
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Summary:We explore new connections between complete non-ambiguous trees (CNATs) and permutations. We give a bijection between tree-like tableaux and a specific subset of CNATs. This map is used to establish and solve a recurrence relation for the number of tree-like tableaux of a fixed size without occupied corners, proving a conjecture by Laborde-Zubieta. We end by establishing a row/column swapping operation on CNATs and identify new areas for future research.
ISSN:1365-8050