Monotonicity of the Complementary Vector Field of a Nonexpansive Map |
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Authors: | S Z Németh |
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Institution: | (1) Department of Geometry Faculty of Mathematics, Babe-Bolyai University, Str. Kogalniceanu Nr. 1, 3400 Cluj-Napoca, Romania |
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Abstract: | The Minty-Browder monotonicity notion will be generalized for vector fields of a Riemannian manifold M. If M is a Hadamard manifold, complementary vector fields of maps f : M M will be introduced. If f is nonexpansive it is proved that the complementary vector field of f is monotone. In particular, compositions of projection maps onto convex sets will be considered. |
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