A Normal Form without small divisors

2017/10/07 by Gabriella Pinzari, Pinzari, Gabriella
Physics and Astronomy · #Astro and Planetary Science #Complex Variables (math.CV) #Dynamical Systems (math.DS) #FOS: Mathematics #FOS: Physical sciences #Mathematical Physics (math-ph)

paper · pdf · doi:10.48550/arxiv.1710.02689

openalex publication_date 2017/10/07 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Following the techniques of [4], we formulate a Normal Form Lemma suited to close to be integrable Hamiltonian systems where not all the coordinates are action angles. The Lemma turns to be useful in the theory of KAM tori of Sun-Earth-Asteroids systems.

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