 Title Pages
 Frontispiece
 Epigraph
 Foreword
 Preface

1 Introduction 
2 Einstein’s First Trip to America 
3 Structure and Contents of the Meaning of Relativity 
1 Physics and Geometry 
2 The Principles of General Relativity 
3 The First Solutions and the Challenge of Their Interpretation 
4 Einstein and the Astronomers 
5 The Genesis of Relativistic Cosmology 
6 The Controversy over Gravitational Waves 
7 Philosophical Debates on General Relativity 
8 The Quest for a Unified Field Theory 
9 Early Monographs on Relativity 
10 Beyond the Formative Years  Space and Time in Prerelativity Physics
 The Theory of Special Relativity
 The General Theory of Relativity
 The General Theory of Relativity (Continued)

Appendix For the Second Edition 
Appendix II Generalization of Gravitation Theory 
Appendix II Relativistic Theory of the Nonsymmetric Field 
1 Introductory Remarks 
2 Einstein’s Lectures  Biographical Notes
 Index
Relativistic Theory of the Nonsymmetric Field
Relativistic Theory of the Nonsymmetric Field
 Chapter:
 (p.326) Appendix II Relativistic Theory of the Nonsymmetric Field
 Source:
 The Formative Years of Relativity
 Author(s):
Hanoch Gutfreund
Jürgen Renn
 Publisher:
 Princeton University Press
This chapter attempts to find a measure for the “strength” of a system of field equations, which is determined by the amount of free data consistent with the system. It introduces the infinitesimal displacement field as a necessary remedy in general relativistic theory, as one can no longer form new tensors from a given tensor by simple differentiation and that in such a theory there are much fewer invariant formations. The infinitesimal displacement field replaces the inertial system inasmuch as it makes it possible to compare vectors at infinitesimally close points. After introducing these concepts, the chapter presents a discussion on relativistic field theory.
Keywords: relativistic theory, relativistic field theory, field equations, infinitesimal displacement field, general relativistic theory, nonsymmetric field, inertial systems
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 Title Pages
 Frontispiece
 Epigraph
 Foreword
 Preface

1 Introduction 
2 Einstein’s First Trip to America 
3 Structure and Contents of the Meaning of Relativity 
1 Physics and Geometry 
2 The Principles of General Relativity 
3 The First Solutions and the Challenge of Their Interpretation 
4 Einstein and the Astronomers 
5 The Genesis of Relativistic Cosmology 
6 The Controversy over Gravitational Waves 
7 Philosophical Debates on General Relativity 
8 The Quest for a Unified Field Theory 
9 Early Monographs on Relativity 
10 Beyond the Formative Years  Space and Time in Prerelativity Physics
 The Theory of Special Relativity
 The General Theory of Relativity
 The General Theory of Relativity (Continued)

Appendix For the Second Edition 
Appendix II Generalization of Gravitation Theory 
Appendix II Relativistic Theory of the Nonsymmetric Field 
1 Introductory Remarks 
2 Einstein’s Lectures  Biographical Notes
 Index