Curvature and Characteristic Classes

Curvature and Characteristic Classes
Title Curvature and Characteristic Classes PDF eBook
Author J.L. Dupont
Publisher Springer
Pages 185
Release 2006-11-15
Genre Mathematics
ISBN 3540359141

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Differential Geometry

Differential Geometry
Title Differential Geometry PDF eBook
Author Loring W. Tu
Publisher Springer
Pages 358
Release 2017-06-01
Genre Mathematics
ISBN 3319550845

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This text presents a graduate-level introduction to differential geometry for mathematics and physics students. The exposition follows the historical development of the concepts of connection and curvature with the goal of explaining the Chern–Weil theory of characteristic classes on a principal bundle. Along the way we encounter some of the high points in the history of differential geometry, for example, Gauss' Theorema Egregium and the Gauss–Bonnet theorem. Exercises throughout the book test the reader’s understanding of the material and sometimes illustrate extensions of the theory. Initially, the prerequisites for the reader include a passing familiarity with manifolds. After the first chapter, it becomes necessary to understand and manipulate differential forms. A knowledge of de Rham cohomology is required for the last third of the text. Prerequisite material is contained in author's text An Introduction to Manifolds, and can be learned in one semester. For the benefit of the reader and to establish common notations, Appendix A recalls the basics of manifold theory. Additionally, in an attempt to make the exposition more self-contained, sections on algebraic constructions such as the tensor product and the exterior power are included. Differential geometry, as its name implies, is the study of geometry using differential calculus. It dates back to Newton and Leibniz in the seventeenth century, but it was not until the nineteenth century, with the work of Gauss on surfaces and Riemann on the curvature tensor, that differential geometry flourished and its modern foundation was laid. Over the past one hundred years, differential geometry has proven indispensable to an understanding of the physical world, in Einstein's general theory of relativity, in the theory of gravitation, in gauge theory, and now in string theory. Differential geometry is also useful in topology, several complex variables, algebraic geometry, complex manifolds, and dynamical systems, among other fields. The field has even found applications to group theory as in Gromov's work and to probability theory as in Diaconis's work. It is not too far-fetched to argue that differential geometry should be in every mathematician's arsenal.

Characteristic Classes

Characteristic Classes
Title Characteristic Classes PDF eBook
Author John Willard Milnor
Publisher Princeton University Press
Pages 342
Release 1974
Genre Mathematics
ISBN 9780691081229

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The theory of characteristic classes provides a meeting ground for the various disciplines of differential topology, differential and algebraic geometry, cohomology, and fiber bundle theory. As such, it is a fundamental and an essential tool in the study of differentiable manifolds. In this volume, the authors provide a thorough introduction to characteristic classes, with detailed studies of Stiefel-Whitney classes, Chern classes, Pontrjagin classes, and the Euler class. Three appendices cover the basics of cohomology theory and the differential forms approach to characteristic classes, and provide an account of Bernoulli numbers. Based on lecture notes of John Milnor, which first appeared at Princeton University in 1957 and have been widely studied by graduate students of topology ever since, this published version has been completely revised and corrected.

From Calculus to Cohomology

From Calculus to Cohomology
Title From Calculus to Cohomology PDF eBook
Author Ib H. Madsen
Publisher Cambridge University Press
Pages 302
Release 1997-03-13
Genre Mathematics
ISBN 9780521589567

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An introductory textbook on cohomology and curvature with emphasis on applications.

Loop Spaces, Characteristic Classes and Geometric Quantization

Loop Spaces, Characteristic Classes and Geometric Quantization
Title Loop Spaces, Characteristic Classes and Geometric Quantization PDF eBook
Author Jean-Luc Brylinski
Publisher Springer Science & Business Media
Pages 318
Release 2009-12-30
Genre Mathematics
ISBN 0817647317

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This book examines the differential geometry of manifolds, loop spaces, line bundles and groupoids, and the relations of this geometry to mathematical physics. Applications presented in the book involve anomaly line bundles on loop spaces and anomaly functionals, central extensions of loop groups, Kähler geometry of the space of knots, and Cheeger--Chern--Simons secondary characteristics classes. It also covers the Dirac monopole and Dirac’s quantization of the electrical charge.

An Introduction to Manifolds

An Introduction to Manifolds
Title An Introduction to Manifolds PDF eBook
Author Loring W. Tu
Publisher Springer Science & Business Media
Pages 426
Release 2010-10-05
Genre Mathematics
ISBN 1441974008

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Manifolds, the higher-dimensional analogs of smooth curves and surfaces, are fundamental objects in modern mathematics. Combining aspects of algebra, topology, and analysis, manifolds have also been applied to classical mechanics, general relativity, and quantum field theory. In this streamlined introduction to the subject, the theory of manifolds is presented with the aim of helping the reader achieve a rapid mastery of the essential topics. By the end of the book the reader should be able to compute, at least for simple spaces, one of the most basic topological invariants of a manifold, its de Rham cohomology. Along the way, the reader acquires the knowledge and skills necessary for further study of geometry and topology. The requisite point-set topology is included in an appendix of twenty pages; other appendices review facts from real analysis and linear algebra. Hints and solutions are provided to many of the exercises and problems. This work may be used as the text for a one-semester graduate or advanced undergraduate course, as well as by students engaged in self-study. Requiring only minimal undergraduate prerequisites, 'Introduction to Manifolds' is also an excellent foundation for Springer's GTM 82, 'Differential Forms in Algebraic Topology'.

Differential Geometry

Differential Geometry
Title Differential Geometry PDF eBook
Author Clifford Taubes
Publisher Oxford University Press
Pages 313
Release 2011-10-13
Genre Mathematics
ISBN 0199605882

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Bundles, connections, metrics and curvature are the lingua franca of modern differential geometry and theoretical physics. Supplying graduate students in mathematics or theoretical physics with the fundamentals of these objects, this book would suit a one-semester course on the subject of bundles and the associated geometry.