Gradient Flows: In Metric Spaces and in the Space of Probability Measures
Gradient Flows: In Metric Spaces and in the Space of Probability Measures
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发表时间:
2005
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通讯作者:
L. Ambrosio;N. Gigli;Giuseppe Savaré
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作者:
L. Ambrosio;N. Gigli;Giuseppe Savaré
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).