Specifying 2-trees

Tom Fowler, Ira Gessel, Gilbert Labelle and Pierre Leroux
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Tom Fowler: Université de Montréal and LaCIM Université du Québec à Montréal, CRM
Ira Gessel: Brandeis University, Department of Mathematics
Gilbert Labelle: LaCIM, Université du Québec à Montréal
Pierre Leroux: LaCIM, Université du Québec à Montréal

A chapter in Formal Power Series and Algebraic Combinatorics, 2000, pp 202-213 from Springer

Abstract: Abstract We derive new functional equations at a species level for 2-trees including a new dissymmetry theorem. From these equations we deduce various enumerative series expansions for certain classes of 2-trees, including the molecular decomposition in some cases.

Keywords: Oriented Edge; Circular Permutation; Base Triangle; Root Edge; Coherent Orientation (search for similar items in EconPapers)
Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-662-04166-6_18

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DOI: 10.1007/978-3-662-04166-6_18

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