Generalized Symmetries of Quantum Field Theory

This lecture delves into the concept of generalized symmetries in quantum field theory, as explained by the instructor Ben Gripios. The discussion covers the shift in logic from traditional symmetries to higher-dimensional symmetries, exploring the implications for conserved currents and closed forms. Gripios presents a mathematical approach involving infinity categories to describe physical theories, emphasizing the importance of understanding why this language is suitable for physics. The talk also touches on the challenges in defining quantum field theories and the potential for a new perspective on classifying topological field theories.