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November 2023 Resurgent transseries, mould calculus and Connes-Kreimer Hopf algebra
Shingo Kamimoto
Proc. Japan Acad. Ser. A Math. Sci. 99(9): 65-70 (November 2023). DOI: 10.3792/pjaa.99.013

Abstract

We study the resurgence structure of a formal normalization of a certain vector field to the normal form using “mould calculus” developed by J. Écalle. We also describe the resurgence structure of transseries solutions of a nonlinear ordinary differential equation.

Citation

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Shingo Kamimoto. "Resurgent transseries, mould calculus and Connes-Kreimer Hopf algebra." Proc. Japan Acad. Ser. A Math. Sci. 99 (9) 65 - 70, November 2023. https://doi.org/10.3792/pjaa.99.013

Information

Published: November 2023
First available in Project Euclid: 9 November 2023

Digital Object Identifier: 10.3792/pjaa.99.013

Subjects:
Primary: 34M35 , 34M40
Secondary: 16T05 , 34M30

Keywords: Hopf algebras , mould calculus , Resurgence theory , Stokes phenomena , trees

Rights: Copyright © 2023 The Japan Academy

Vol.99 • No. 9 • November 2023
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