The parameterization method for invariant manifolds. I: Manifolds associated to non-resonant subspaces

By X. Cabré, Ernest Fontich, R. Llave. 2003

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We introduce a method to prove existence of invariant manifolds and, at the same time to find simple polynomial maps which are conjugated to the dynamics on them. As a first application, we consider the dynamical system given by a C r map F in a Banach space X close to a fixed point: F(x) = Ax + N(x), A linear, N(0) = 0, DN(0) = 0. We show that if X 1 is an invariant subspace of A and A satisfies certain spectral properties, then there exists a unique C r manifold which is invariant under F and tangent to X 1 . When X 1 corresponds to spectral subspaces associated to sets of the spectrum contained in disks around the origin or their complement, we recover the classical (strong) (un)stable manifold theorems. Our theorems, however, apply to other invariant spaces. Indeed, we do not require X 1 to be a spectral subspace or even to have a complement invariant under A.

Subfields: Geometry and Topology, Mathematical Physics, Statistical and Nonlinear Physics

View Paper: https://www.semanticscholar.org/paper/ff7a37ceeff5db7eaeb4754b5e0527bf068049ad

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In Geometry and Topology

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The parameterization method for invariant manifolds III: overview and applications (2005, methodology): “This remark played an important role in [Ste57] and, more explicitly in [BdlLW96] and [CFdlL03a].”