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Explore advanced concepts in quantum field theory through this 52-minute continuation lecture by Professor Paul Fendley from the University of Oxford, focusing on categorical conserved currents. Delve into the mathematical framework that extends traditional conservation laws in quantum field theory, examining how categorical structures provide new insights into symmetries and their associated currents. Learn about the theoretical foundations that connect category theory with physical conservation principles, particularly in the context of quantum systems with boundaries, impurities, and defects. Discover how these categorical approaches offer novel perspectives on understanding conserved quantities and their behavior in complex quantum field configurations. Gain insights into cutting-edge research that bridges abstract mathematical concepts with fundamental physics, as part of the specialized seminar series on quantum field theory with boundaries, impurities, and defects hosted at the Isaac Newton Institute.
