The Fatou coordinate for parabolic Dulac germs

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TitreThe Fatou coordinate for parabolic Dulac germs
Type de publicationJournal Article
Year of Publication2019
AuteursMardesic P., Resman M., Rolin J-P, Zupanovic V
JournalJOURNAL OF DIFFERENTIAL EQUATIONS
Volume266
Pagination3479-3513
Date PublishedMAR 5
Type of ArticleArticle
ISSN0022-0396
Mots-clésAsymptotic expansion, Dulac germ, Embedding in a flow, Fatou coordinate, Transseries
Résumé

We study the class of parabolic Dulac germs of hyperbolic polycycles. For such germs we give a constructive proof of the existence of a unique Fatou coordinate, admitting an asymptotic expansion in the power-iterated logarithm monomials. (C) 2018 Elsevier Inc. All rights reserved.

DOI10.1016/j.jde.2018.09.008