From Classical Mechanics to General Relativity and Beyond
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algebra is assumed.
Throughout this textbook, the main theme tying the various topics is the so-called principle of covariance - a fundamental symmetry of physics that one rarely encounters in undergraduate texts. The material is introduced very gradually, starting with the simplest of high school mathematics, and moving through the more intense notions of tensor calculus, geometry, and differential forms with ease. Familiar notions from classical mechanics and electrodynamics are used to increase familiarity with
the advanced mathematical ideas, and to emphasize the unity of all of physics under the single principle of covariance.
The mathematical and physical techniques developed in this book should allow students to perform research in various fields of theoretical physics as early as their sophomore year in college. The language the reader will learn in this book is the foundational mathematical language of many modern branches of physics, and as such should allow them to read and generally understand many modern physics papers.
3: Classical Covariance
4: Special Covariance
5: General Covariance
6: Physics in curved spacetime
7: Riemann and Einstein
8: Least action and classical fields
9: Differential forms
10: Generalizing general relativity
passions. In his spare time, he maintains a popular science blog in Arabic.