Grand Motzkin Paths and \(\{0,1,2\}\)-Trees -- A Simple Bijection

<div>A well-known bijection between Motzkin paths and ordered trees with outdegree always \(\le2\), is lifted to Grand Motzkin paths (the nonnegativity is dropped) and an ordered list of an odd number of such \(\{0,1,2\}\) trees. This offers an alternative to a recent paper by Rocha and Pereira Spreafico.</div>

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Publication Details

Journal
Journal of Combinatorial Mathematics and Combinatorial Computing
Published
2024-12-31
DOI
https://doi.org/10.61091/jcmcc123-37
Primary Topic
Advanced Combinatorial Mathematics
Type
article
Field-Weighted Citation Impact
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article

Grand Motzkin Paths and \(\{0,1,2\}\)-Trees -- A Simple Bijection

Helmut Prodinger
Journal of Combinatorial Mathematics and Combinatorial Computing
Advanced Combinatorial Mathematics
article

Grand Motzkin Paths and \(\{0,1,2\}\)-Trees -- A Simple Bijection

Helmut Prodinger
article en

Abstract

<div>A well-known bijection between Motzkin paths and ordered trees with outdegree always \(\le2\), is lifted to Grand Motzkin paths (the nonnegativity is dropped) and an ordered list of an odd number of such \(\{0,1,2\}\) trees. This offers an alternative to a recent paper by Rocha and Pereira Spreafico.</div>

Journal of Combinatorial Mathematics and Combinatorial ComputingVol. 123(1)
Openalex Percentile: Top 55%
Advanced Combinatorial Mathematics
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Grand Motzkin Paths and \(\{0,1,2\}\)-Trees -- A Simple Bijection — Helmut Prodinger · Journal of Combinatorial Mathematics and Combinatorial Computing (2024) | TGRS Research Map | TGRS