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Author: Paul Baird Publisher: Birkhäuser ISBN: 3034879687 Category : Mathematics Languages : en Pages : 158
Book Description
This book collects invited contributions by specialists in the domain of elliptic partial differential equations and geometric flows. There are introductory survey articles as well as papers presenting the latest research results. Among the topics covered are blow-up theory for second order elliptic equations; bubbling phenomena in the harmonic map heat flow; applications of scans and fractional power integrands; heat flow for the p-energy functional; Ricci flow and evolution by curvature of networks of curves in the plane.
Author: Publisher: American Mathematical Soc. ISBN: 9780821839270 Category : Mathematics Languages : en Pages : 168
Book Description
This volume contains translations of papers that originally appeared in the Japanese journal Sugaku. The papers range over a variety of topics, including differential equations with free boundary, singular integral operators, operator algebras, and relations between the Brownian motion on a manifold with function theory. The volume is suitable for graduate students and research mathematicians interested in analysis and differential equations."
Author: Dominique Bakry Publisher: Theta Foundation ISBN: Category : Potential theory (Mathematics). Languages : en Pages : 200
Book Description
This is the proceedings volume of two mathematical meetings on Potential Theory organized in Bucharest, Romania, in September 2002 and September 2003. It includes six survey articles and seven selected research papers, covering the main topics of the conferences: geometric aspects in potential theory, Dirichlet structures, stochastic analysis, potential theory, and Markov processes.
Author: Werner Ballmann Publisher: Birkhäuser ISBN: 3034892403 Category : Mathematics Languages : en Pages : 114
Book Description
Singular spaces with upper curvature bounds and, in particular, spaces of nonpositive curvature, have been of interest in many fields, including geometric (and combinatorial) group theory, topology, dynamical systems and probability theory. In the first two chapters of the book, a concise introduction into these spaces is given, culminating in the Hadamard-Cartan theorem and the discussion of the ideal boundary at infinity for simply connected complete spaces of nonpositive curvature. In the third chapter, qualitative properties of the geodesic flow on geodesically complete spaces of nonpositive curvature are discussed, as are random walks on groups of isometries of nonpositively curved spaces. The main class of spaces considered should be precisely complementary to symmetric spaces of higher rank and Euclidean buildings of dimension at least two (Rank Rigidity conjecture). In the smooth case, this is known and is the content of the Rank Rigidity theorem. An updated version of the proof of the latter theorem (in the smooth case) is presented in Chapter IV of the book. This chapter contains also a short introduction into the geometry of the unit tangent bundle of a Riemannian manifold and the basic facts about the geodesic flow. In an appendix by Misha Brin, a self-contained and short proof of the ergodicity of the geodesic flow of a compact Riemannian manifold of negative curvature is given. The proof is elementary and should be accessible to the non-specialist. Some of the essential features and problems of the ergodic theory of smooth dynamical systems are discussed, and the appendix can serve as an introduction into this theory.
Author: James Eells
Author: James Eells
Author: Paul Baird
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Author: Dominique Bakry
Author: Martin Hesse
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Author: Werner Ballmann