Nonlinear analysis with resurgent functions
Résumé
We provide estimates for the convolution product of an arbitrary number of resurgent functions, more precisely of $\Omega$-continuable germs, where $\Omega$ is a closed discrete subset of the complex plane which is stable under addition. Such estimates are needed to perform nonlinear operations like substitution in a convergent series, composition or functional inversion with resurgent functions, and to justify the rules of alien calculus; they also yield implicitly defined resurgent functions.
Domaines
Systèmes dynamiques [math.DS]
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