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Globalizing two-dimensional unstable manifolds of maps (joint work with Bernd Krauskopf) Hinke Osinga, The Geometry Center, University of Minnesota at Minneapolis Monday, February 2, 199811:00 AM to 12:00 PM Steele 102 We present an algorithm for computing the global two-dimensional unstable manifold of a normally hyperbolic invariant circle of a three-dimensional map. Our algorithm computes intersections of the unstable manifold with a finite number of leaves of a chosen linear foliation. This allows us to guarantee the quality of the mesh on this manifold. We compute growing pieces of the unstable manifold by using a method that does not depend on the dynamics on the manifold. Our method can also be used for the computation of global two-dimensional unstable manifolds of hyperbolic saddle points. The global stable manifold is obtained by considering the inverse map. |
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