SYMMETRIES, FIELDS, AND PARTICLES MAIN TOPICS Lie groups. Lie algebras. Representations of Lie algebras. The Cartan classification. Classification of representations of Lie algebras. Gauge theories. Lie groups in nature. LECTURE NOTES Symmetries, Fields, and Particles, written by D. Chua, based on lectures by N. Dorey, 2016, University of Cambridge. EXERCISES AND EXAMS With SolutionsWithout SolutionsSymmetries, Fields, and Particles, by N. Dorey, 2016, University of Cambridge. VIDEO LECTURES Symmetries, Particles and Fields, by B. Allanach, 2021, University of Cambridge. FREE TEXTBOOKS BIBLIOGRAPHY Symmetries, Particles and Fields, by B. Allanach, 2021, Museum of Wrong. PROBLEM BOOKS