Luigi Ambrosio,
Nicola Gigli,
Giuseppe Savare
Gradient Flows
In Metric Spaces and in the Space of Probability Measures
Paperback Engels 2008 2e druk 9783764387211Levertijd ongeveer 9 werkdagen
Gratis verzonden
Samenvatting
The book is devoted to the theory of gradient flows in the general framework of metric spaces, and in the more specific setting of the space of probability measures, which provide a surprising link between optimal transportation theory and many evolutionary PDE's related to (non)linear diffusion. Particular emphasis is given to the convergence of the implicit time discretization method and to the error estimates for this discretization, extending the well established theory in Hilbert spaces. The book is split in two main parts that can be read independently of each other.
Specificaties
ISBN13:9783764387211
Taal:Engels
Bindwijze:paperback
Aantal pagina's:334
Uitgever:Birkhäuser Basel
Druk:2
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Inhoudsopgave
Notation.- Notation.- Gradient Flow in Metric Spaces.- Curves and Gradients in Metric Spaces.- Existence of Curves of Maximal Slope and their Variational Approximation.- Proofs of the Convergence Theorems.- Uniqueness, Generation of Contraction Semigroups, Error Estimates.- Gradient Flow in the Space of Probability Measures.- Preliminary Results on Measure Theory.- The Optimal Transportation Problem.- The Wasserstein Distance and its Behaviour along Geodesics.- Absolutely Continuous Curves in p(X) and the Continuity Equation.- Convex Functionals in p(X).- Metric Slope and Subdifferential Calculus in (X).- Gradient Flows and Curves of Maximal Slope in p(X).
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