Lecture

Lemma of Schur: Group Repetition Theory

Description

This lecture covers the theory of group repetition, focusing on irreducible representations, reducible representations, and the lemma of Schur. It explains the concept of group spirits, reducible and irreducible representations, and the invariant under group symmetry. The instructor discusses the Hamiltonian of a system, operators, and the unitary property of representations. The lecture also touches on the theory of group repeats and the significance of different representations in quantum physics.

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