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IJBC
2008

Slow Invariant Manifolds as Curvature of the Flow of Dynamical Systems

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Slow Invariant Manifolds as Curvature of the Flow of Dynamical Systems
Considering trajectory curves, integral of n-dimensional dynamical systems, within the framework of Differential Geometry as curves in Euclidean n-space it will be established in this article that the curvature of the flow, i.e., the curvature of the trajectory curves of any n-dimensional dynamical system directly provides its slow manifold analytical equation the invariance of which will be then proved according to Darboux theory. Thus, it will be stated that curvature of the flow, which uses neither eigenvectors nor asymptotic expansions but only involves time derivatives of the velocity vector field, constitutes a general method simplifying and improving the slow invariant manifold analytical equation determination of highdimensional dynamical systems. Moreover, it will be shown that this method generalizes the Tangent Linear System Approximation and encompasses the so-called Geometric Singular Perturbation Theory. Then, slow invariant manifolds analytical equation of paradigmatic ...
Jean-Marc Ginoux, Bruno Rossetto, Leon O. Chua
Added 12 Dec 2010
Updated 12 Dec 2010
Type Journal
Year 2008
Where IJBC
Authors Jean-Marc Ginoux, Bruno Rossetto, Leon O. Chua
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