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Watch a 49-minute lecture by John Barrett exploring quantum spacetime modeling using finite spectral triples. The talk provides a brief overview of general concepts and recent advancements in non-commutative geometry applications to quantum gravity. Barrett presents a non-commutative model of a sphere with non-trivial spinor bundles. This recording was captured during the thematic meeting "Applications of NonCommutative Geometry to Gauge Theories, Field Theories, and Quantum Space-Time" on April 8, 2025, at the Centre International de Rencontres Mathématiques in Marseille, France. Access this video and other mathematical talks on CIRM's Audiovisual Mathematics Library, featuring helpful functionality like chapter markers, keywords, abstracts, bibliographies, and multi-criteria search capabilities.
