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2008 23rd Annual IEEE Symposium on Logic in Computer Science
Weak Topology and a Differentiable Operator for Lipschitz Maps
June 24-June 27
ISBN: 978-0-7695-3183-0
We show that the Scott topology induces a topology for real-valued Lipschitz maps on Banach spaces which we call the L-topology. It is the weakest topology with respect to which the L-derivative operator, as a second order functional which maps the space of Lipschitz functions into the function space of non-empty weak* compact and convex valued maps equipped with the Scott topology, is continuous. For finite dimensional Euclidean spaces, where the L-derivative and the Clarke gradient coincide, we provide a simple characterisation of the basic open subsets of the L-topology in terms of ties or primitive maps of functions. We use this to verify that the L-topology is strictly coarser than the well-known Lipschitz norm topology.??We then develop a fundamental theorem of calculus of second order in finite dimensions showing that the continuous integral operator from the continuous Scott domain of non-empty convex and compact valued functions to the continuous Scott domain of ties is inverse to the continuous operator induced by the L-derivative.
Index Terms:
Domain theory, Clarke gradient, Weakest topology, Second order functionals, Hausdorff metric, Fundamental Theorem of Calculus
Citation:
Abbas Edalat, "Weak Topology and a Differentiable Operator for Lipschitz Maps," lics, pp.364-375, 2008 23rd Annual IEEE Symposium on Logic in Computer Science, 2008
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