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Symmetry considerations dominate modern fundamental physics, both in quantum theory and in relativity. This book presents a collection of philosophy-on-physics papers, highlighting the main issues and controversies, and providing an entry into the subject for both physicists and philosophers. It covers topical issues such as the significance of gauge symmetry, particle identity in quantum theory, how to make sense of parity violation, the role of symmetry-breaking, the empirical status of symmetry principles, and so forth, along with more traditional problems in the philosophy of science. These include the status of the laws of nature, the relationships between mathematics, physical theory, and the world, and the extent to which mathematics dictates physics. A valuable reference for students and researchers, it will also be of interest to those studying the foundations of physics, philosophy of physics and philosophy of science.

Philosophy. --- Symmetry (Physics). --- Symmetry (Physics) --- Physics --- Invariance principles (Physics) --- Symmetry (Chemistry) --- Conservation laws (Physics)

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In theoretical physics, theoretical chemistry and engineering, one often wishes to solve partial differential equations subject to a set of boundary conditions. This gives rise to eigenvalue problems of which some solutions may be very difficult to find. For example, the problem of finding eigenfunctions and eigenvalues for the Hamiltonian of a many-particle system is usually so difficult that it requires approximate methods, the most common of which is expansion of the eigenfunctions in terms of basis functions that obey the boundary conditions of the problem. The computational effort needed

Symmetry (Physics) --- Invariance principles (Physics) --- Symmetry (Chemistry) --- Conservation laws (Physics) --- Physics

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In this book Rickles considers several interpretative difficulties raised by gauge-type symmetries (those that correspond to no change in physical state). The ubiquity of such symmetries in modern physics renders them an urgent topic in philosophy of physics. Rickles focuses on spacetime physics, and in particular classical and quantum general relativity. Here the problems posed are at their most pathological, involving the apparent disappearance of spacetime! Rickles argues that both traditional ontological positions should be replaced by a structuralist account according to which relational

Symmetry (Physics) --- Conservation laws (Physics) --- Invariance principles (Physics) --- Symmetry (Chemistry) --- Physical laws --- Physics --- Space and time --- Relativity (Physics) --- Quantum theory

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This invaluable volume is dedicated to the memory of Yuri Golfand, one of the discoverers of supersymmetry. Together with his student, he constructed in 1970 the superextension of the Poincaré algebra and obtained the first four-dimensional supersymmetric field theory, a version of supersymmetric QED. Golfand died in 1994 in Israel.Did the pioneers of supersymmetry - Neveu, Schwarz, Ramond, Golfand, Volkov, Wess, Zumino and others - foresee in the early 1970's that they would be opening to us the gates of the superworld? The superworld will become one of the most important components of our un

Supersymmetry. --- Symmetry (Physics) --- Invariance principles (Physics) --- Symmetry (Chemistry) --- Conservation laws (Physics) --- Physics --- Unified theories --- Particles (Nuclear physics)

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Symmetry (Physics) --- Physics - Philosophy. --- Physics --- Symétrie (Physique) --- Physique --- Philosophy --- Philosophie --- Invariance principles (Physics) --- Symmetry (Chemistry) --- Conservation laws (Physics)