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Bilateral Fixed-Points and Algebraic Properties of Viability Kernels and Capture Basins of Sets
Authors:Jean-Pierre Aubin and Francine Catté
Institution:(1) Université Paris-Dauphine, F-75775 Paris cedex 16, France
Abstract:Many concepts of viability theory such as viability or invariance kernels and capture or absorption basins under discrete multivalued systems, differential inclusions and dynamical games share algebraic properties that provide simple – yet powerful – characterizations as either largest or smallest fixed points or unique minimax (or bilateral fixed-point) of adequate maps defined on pairs of subsets. Further, important algorithms such as the Saint-Pierre viability kernel algorithm for computing viability kernels under discrete system and the Cardaliaguet algorithm for characterizing lsquodiscriminating kernelsrsquo under dynamical games are algebraic in nature. The Matheron Theorem as well as the Galois transform find applications in the field of control and dynamical games allowing us to clarify concepts and simplify proofs.
Keywords:viability kernel  capture basin  discriminating kernel  Matheron Theorem  Saint-Pierre viability kernel algorithm  Cardaliaguet discriminating kernel algorithm  openings  closings  Galois transform
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