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Author | : Jürgen Jost |
Publisher | : Springer Science & Business Media |
Total Pages | : 124 |
Release | : 1997-05-01 |
Genre | : Mathematics |
ISBN | : 9783764357368 |
Download Nonpositive Curvature: Geometric and Analytic Aspects Book in PDF, ePub and Kindle
The present book contains the lecture notes from a "Nachdiplomvorlesung", a topics course adressed to Ph. D. students, at the ETH ZUrich during the winter term 95/96. Consequently, these notes are arranged according to the requirements of organizing the material for oral exposition, and the level of difficulty and the exposition were adjusted to the audience in Zurich. The aim of the course was to introduce some geometric and analytic concepts that have been found useful in advancing our understanding of spaces of nonpos itive curvature. In particular in recent years, it has been realized that often it is useful for a systematic understanding not to restrict the attention to Riemannian manifolds only, but to consider more general classes of metric spaces of generalized nonpositive curvature. The basic idea is to isolate a property that on one hand can be formulated solely in terms of the distance function and on the other hand is characteristic of nonpositive sectional curvature on a Riemannian manifold, and then to take this property as an axiom for defining a metric space of nonposi tive curvature. Such constructions have been put forward by Wald, Alexandrov, Busemann, and others, and they will be systematically explored in Chapter 2. Our focus and treatment will often be different from the existing literature. In the first Chapter, we consider several classes of examples of Riemannian manifolds of nonpositive curvature, and we explain how conditions about nonpos itivity or negativity of curvature can be exploited in various geometric contexts.
Author | : Jürgen Jost |
Publisher | : Birkhäuser |
Total Pages | : 116 |
Release | : 2012-12-06 |
Genre | : Mathematics |
ISBN | : 3034889186 |
Download Nonpositive Curvature: Geometric and Analytic Aspects Book in PDF, ePub and Kindle
The present book contains the lecture notes from a "Nachdiplomvorlesung", a topics course adressed to Ph. D. students, at the ETH ZUrich during the winter term 95/96. Consequently, these notes are arranged according to the requirements of organizing the material for oral exposition, and the level of difficulty and the exposition were adjusted to the audience in Zurich. The aim of the course was to introduce some geometric and analytic concepts that have been found useful in advancing our understanding of spaces of nonpos itive curvature. In particular in recent years, it has been realized that often it is useful for a systematic understanding not to restrict the attention to Riemannian manifolds only, but to consider more general classes of metric spaces of generalized nonpositive curvature. The basic idea is to isolate a property that on one hand can be formulated solely in terms of the distance function and on the other hand is characteristic of nonpositive sectional curvature on a Riemannian manifold, and then to take this property as an axiom for defining a metric space of nonposi tive curvature. Such constructions have been put forward by Wald, Alexandrov, Busemann, and others, and they will be systematically explored in Chapter 2. Our focus and treatment will often be different from the existing literature. In the first Chapter, we consider several classes of examples of Riemannian manifolds of nonpositive curvature, and we explain how conditions about nonpos itivity or negativity of curvature can be exploited in various geometric contexts.
Author | : Jürgen Jost |
Publisher | : Springer Science & Business Media |
Total Pages | : 460 |
Release | : 2013-11-11 |
Genre | : Mathematics |
ISBN | : 3662223856 |
Download Riemannian Geometry and Geometric Analysis Book in PDF, ePub and Kindle
FROM REVIEWS OF THE FIRST EDITION "a very readable introduction to Riemannian geometry...it is most welcome...The book is made more interesting by the perspectives in various sections, where the author mentions the history and development of the material and provides the reader with references."-MATHEMATICAL REVIEWS
Author | : Stefan Hildebrandt |
Publisher | : Springer Science & Business Media |
Total Pages | : 663 |
Release | : 2012-12-06 |
Genre | : Mathematics |
ISBN | : 3642556272 |
Download Geometric Analysis and Nonlinear Partial Differential Equations Book in PDF, ePub and Kindle
This book is not a textbook, but rather a coherent collection of papers from the field of partial differential equations. Nevertheless we believe that it may very well serve as a good introduction into some topics of this classical field of analysis which, despite of its long history, is highly modem and well prospering. Richard Courant wrote in 1950: "It has always been a temptationfor mathematicians to present the crystallized product of their thought as a deductive general theory and to relegate the individual mathematical phenomenon into the role of an example. The reader who submits to the dogmatic form will be easily indoctrinated. Enlightenment, however, must come from an understanding of motives; live mathematical development springs from specific natural problems which can be easily understood, but whose solutions are difficult and demand new methods or more general significance. " We think that many, if not all, papers of this book are written in this spirit and will give the reader access to an important branch of analysis by exhibiting interest ing problems worth to be studied. Most of the collected articles have an extensive introductory part describing the history of the presented problems as well as the state of the art and offer a well chosen guide to the literature. This way the papers became lengthier than customary these days, but the level of presentation is such that an advanced graduate student should find the various articles both readable and stimulating.
Author | : Gabriele Bianchi |
Publisher | : Springer |
Total Pages | : 125 |
Release | : 2018-02-28 |
Genre | : Mathematics |
ISBN | : 3319718347 |
Download Analytic Aspects of Convexity Book in PDF, ePub and Kindle
This book presents the proceedings of the international conference Analytic Aspects in Convexity, which was held in Rome in October 2016. It offers a collection of selected articles, written by some of the world’s leading experts in the field of Convex Geometry, on recent developments in this area: theory of valuations; geometric inequalities; affine geometry; and curvature measures. The book will be of interest to a broad readership, from those involved in Convex Geometry, to those focusing on Functional Analysis, Harmonic Analysis, Differential Geometry, or PDEs. The book is a addressed to PhD students and researchers, interested in Convex Geometry and its links to analysis.
Author | : Athanase Papadopoulos |
Publisher | : European Mathematical Society |
Total Pages | : 306 |
Release | : 2005 |
Genre | : Computers |
ISBN | : 9783037190104 |
Download Metric Spaces, Convexity and Nonpositive Curvature Book in PDF, ePub and Kindle
Author | : Laurent Najman |
Publisher | : Springer |
Total Pages | : 378 |
Release | : 2017-10-04 |
Genre | : Mathematics |
ISBN | : 3319580027 |
Download Modern Approaches to Discrete Curvature Book in PDF, ePub and Kindle
This book provides a valuable glimpse into discrete curvature, a rich new field of research which blends discrete mathematics, differential geometry, probability and computer graphics. It includes a vast collection of ideas and tools which will offer something new to all interested readers. Discrete geometry has arisen as much as a theoretical development as in response to unforeseen challenges coming from applications. Discrete and continuous geometries have turned out to be intimately connected. Discrete curvature is the key concept connecting them through many bridges in numerous fields: metric spaces, Riemannian and Euclidean geometries, geometric measure theory, topology, partial differential equations, calculus of variations, gradient flows, asymptotic analysis, probability, harmonic analysis, graph theory, etc. In spite of its crucial importance both in theoretical mathematics and in applications, up to now, almost no books have provided a coherent outlook on this emerging field.
Author | : Clara L. Aldana |
Publisher | : American Mathematical Soc. |
Total Pages | : 271 |
Release | : 2012 |
Genre | : Mathematics |
ISBN | : 0821891448 |
Download Analysis, Geometry and Quantum Field Theory Book in PDF, ePub and Kindle
This volume contains the proceedings of the conference ``Analysis, Geometry and Quantum Field Theory'' held at Potsdam University in September 2011, which honored Steve Rosenberg's 60th birthday. The papers in this volume cover a wide range of areas, including Quantum Field Theory, Deformation Quantization, Gerbes, Loop Spaces, Index Theory, Determinants of Elliptic Operators, K-theory, Infinite Rank Bundles and Mathematical Biology.
Author | : American Mathematical Society |
Publisher | : American Mathematical Soc. |
Total Pages | : 258 |
Release | : 2010 |
Genre | : Mathematics |
ISBN | : 082184881X |
Download Selected Papers on Analysis and Differential Equations Book in PDF, ePub and Kindle
"Volume includes English translation of ten expository articles published in the Japanese journal Sugaku."
Author | : Shin-ichi Ohta |
Publisher | : Springer Nature |
Total Pages | : 324 |
Release | : 2021-10-09 |
Genre | : Mathematics |
ISBN | : 3030806502 |
Download Comparison Finsler Geometry Book in PDF, ePub and Kindle
This monograph presents recent developments in comparison geometry and geometric analysis on Finsler manifolds. Generalizing the weighted Ricci curvature into the Finsler setting, the author systematically derives the fundamental geometric and analytic inequalities in the Finsler context. Relying only upon knowledge of differentiable manifolds, this treatment offers an accessible entry point to Finsler geometry for readers new to the area. Divided into three parts, the book begins by establishing the fundamentals of Finsler geometry, including Jacobi fields and curvature tensors, variation formulas for arc length, and some classical comparison theorems. Part II goes on to introduce the weighted Ricci curvature, nonlinear Laplacian, and nonlinear heat flow on Finsler manifolds. These tools allow the derivation of the Bochner–Weitzenböck formula and the corresponding Bochner inequality, gradient estimates, Bakry–Ledoux’s Gaussian isoperimetric inequality, and functional inequalities in the Finsler setting. Part III comprises advanced topics: a generalization of the classical Cheeger–Gromoll splitting theorem, the curvature-dimension condition, and the needle decomposition. Throughout, geometric descriptions illuminate the intuition behind the results, while exercises provide opportunities for active engagement. Comparison Finsler Geometry offers an ideal gateway to the study of Finsler manifolds for graduate students and researchers. Knowledge of differentiable manifold theory is assumed, along with the fundamentals of functional analysis. Familiarity with Riemannian geometry is not required, though readers with a background in the area will find their insights are readily transferrable.