Infinite dimensional versions of two theorems of Carl Siegel
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Publication:4111882
DOI10.1090/S0002-9904-1976-14135-3zbMath0344.34029MaRDI QIDQ4111882
Publication date: 1976
Published in: Bulletin of the American Mathematical Society (Search for Journal in Brave)
Transformation and reduction of ordinary differential equations and systems, normal forms (34C20) Functional equations in the complex plane, iteration and composition of analytic functions of one complex variable (30D05) Functional equations and inequalities (39B99) Implicit function theorems; global Newton methods on manifolds (58C15)
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On elliptic lower dimensional tori in Hamiltonian systems ⋮ Analytic linearization and complex powers of a nonlinear differential operator ⋮ C. L. Siegel's linearization theorem in infinite dimensions
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