Geometry and Quantum Features of Special Relativity

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Focusing on advanced concepts in physics, this second edition introduces a new chapter on four-velocities and hyperbolic geometry. It explores quantum properties of relativistic particles through Poincaré group representations, linking massless representations to the Hopf bundle. Scattering theory parallels non-relativistic approaches, underpinned by symmetry postulates. Additional chapters delve into quantum fields, charge reflections, and gauge symmetry, providing a comprehensive framework for analyzing Feynman graphs. An extensive appendix further enriches the content with various topics.