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Lecture
Are you an EPFL student looking for a semester project?
Work with us on data science and visualisation projects, and deploy your project as an app on top of Graph Search.
This lecture covers the concept of symmetry in physics, focusing on Noether's theorem and the principle of least action. It explains how systems can be isolated based on Lagrangian dependence, leading to conservation laws such as the conservation of the Hamiltonian. The instructor discusses the role of time, temporal translations, and the privileged actions in these symmetries, emphasizing the importance of understanding the Hamiltonian as the total energy of a system.