𝔖 Bobbio Scriptorium
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Representation of ordered trees

✍ Scribed by A. V. Anisimov; I. V. Karpenko; V. V. Krizhanovskii


Publisher
Springer US
Year
1981
Tongue
English
Weight
623 KB
Volume
16
Category
Article
ISSN
1573-8337

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We use a known combinatorial argument to prove that among all ordered trees the ratio of the total number of vertices to leaves is two. We introduce a new combinatorial bijection on the set of these trees that shows why this must be so. Ordered trees are then enumerated by number of leaves, total pa