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Watch a 58-minute mathematics lecture exploring the application of motivic obstruction techniques to rationality problems in algebraic geometry. Delve into the proof that very general quartic fivefolds and complete intersections of quadric and cubic in P^6 are stably irrational, incorporating tropical degeneration techniques. Learn from collaborative research with Johannes Nicaise presented at the "Logarithmic and non-archimedean methods in Singularity Theory" thematic meeting at Centre International de Rencontres Mathématiques in Marseille, France. Access this lecture through CIRM's Audiovisual Mathematics Library, featuring chapter markers, keywords, enriched content with abstracts and bibliographies, and comprehensive search functionality for exploring related mathematical content.
