Please use this identifier to cite or link to this item: http://hdl.handle.net/10525/1733

 Title: Automorphisms of the Planar Tree Power Series Algebra and the Non-Associative Logarithm Authors: Gerritzen, L. Keywords: Planar Rooted TreePlanar Formal Power SeriesNon-Associative Exponential SeriesSubstitution EndomorphismsAutomorphisms for Planar Power SeriesHopf Algebra Issue Date: 2004 Publisher: Institute of Mathematics and Informatics Bulgarian Academy of Sciences Citation: Serdica Mathematical Journal, Vol. 30, No 2-3, (2004), 135p-158p Abstract: In this note we present the formula for the coefficients of the substitution series f(g(x)) of planar tree power series g(x) into f(x). Description: 2000 Mathematics Subject Classification: 17A50, 05C05. URI: http://hdl.handle.net/10525/1733 ISSN: 1310-6600 Appears in Collections: Volume 30 Number 2-3

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