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Titlebook: Riemannian Geometry; Sylvestre Gallot,Dominique Hulin,Jacques Lafontain Textbook 19902nd edition Springer-Verlag Berlin Heidelberg 1990 Mi

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发表于 2025-3-21 18:43:49 | 显示全部楼层 |阅读模式
书目名称Riemannian Geometry
编辑Sylvestre Gallot,Dominique Hulin,Jacques Lafontain
视频video
丛书名称Universitext
图书封面Titlebook: Riemannian Geometry;  Sylvestre Gallot,Dominique Hulin,Jacques Lafontain Textbook 19902nd edition Springer-Verlag Berlin Heidelberg 1990 Mi
描述In this second edition, the main additions are a section devoted to surfaces with constant negative curvature, and an introduction to conformal geometry. Also, we present a -soft-proof of the Paul Levy-Gromov isoperimetric inequal­ ity, kindly communicated by G. Besson. Several people helped us to find bugs in the. first edition. They are not responsible for the persisting ones! Among them, we particularly thank Pierre Arnoux and Stefano Marchiafava. We are also indebted to Marc Troyanov for valuable comments and sugges­ tions. INTRODUCTION This book is an outgrowth of graduate lectures given by two of us in Paris. We assume that the reader has already heard a little about differential manifolds. At some very precise points, we also use the basic vocabulary of representation theory, or some elementary notions about homotopy. Now and then, some remarks and comments use more elaborate theories. Such passages are inserted between *. In most textbooks about Riemannian geometry, the starting point is the local theory of embedded surfaces. Here we begin directly with the so-called "abstract" manifolds. To illustrate our point of view, a series of examples is developed each time a new def
出版日期Textbook 19902nd edition
关键词Minimal surface; Riemannian geometry; Riemannian goemetry; covariant derivative; curvature; manifold; rela
版次2
doihttps://doi.org/10.1007/978-3-642-97242-3
isbn_ebook978-3-642-97242-3Series ISSN 0172-5939 Series E-ISSN 2191-6675
issn_series 0172-5939
copyrightSpringer-Verlag Berlin Heidelberg 1990
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发表于 2025-3-21 20:29:10 | 显示全部楼层
Analysis on Manifolds and the Ricci Curvature, the properties of the Laplacian on a bounded Euclidean domain and on a compact Riemannian manifold are very similar, and so are the techniques of proofs. We can say that the difficulties of the latter case, compared with the former, are essentially conceptual.
发表于 2025-3-22 03:14:03 | 显示全部楼层
Textbook 19902nd editionry. Also, we present a -soft-proof of the Paul Levy-Gromov isoperimetric inequal­ ity, kindly communicated by G. Besson. Several people helped us to find bugs in the. first edition. They are not responsible for the persisting ones! Among them, we particularly thank Pierre Arnoux and Stefano Marchiaf
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发表于 2025-3-22 10:03:18 | 显示全部楼层
发表于 2025-3-22 16:34:08 | 显示全部楼层
Analysis on Manifolds and the Ricci Curvature, the properties of the Laplacian on a bounded Euclidean domain and on a compact Riemannian manifold are very similar, and so are the techniques of proofs. We can say that the difficulties of the latter case, compared with the former, are essentially conceptual.
发表于 2025-3-22 19:55:53 | 显示全部楼层
Springer-Verlag Berlin Heidelberg 1990
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发表于 2025-3-23 04:01:10 | 显示全部楼层
Riemannian Metrics,The Pythagorus theorem just says that the squared length of an infinitesimal vector, say in .., whose components are . and ., is .. + .. + ... Thus, the length of a parameterized curve .(.) = (.(.), .(.), .(.)) is given by the integral ..
发表于 2025-3-23 06:01:09 | 显示全部楼层
Curvature,A parallel vector field in .. is just a constant field. Now, on a surface, there are generally no (even local) parallel vector fields. How much the parallel transport of a field along a small closed curve differ from the identity is measured in terms of the curvature of the surface, a function .: . → ..
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