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Explore a mathematical lecture examining distortion elements within groups of interval diffeomorphisms, delivered at the Centre International de Rencontres Mathématiques in Marseille. Delve into the concept of distortion elements in abstract groups, focusing specifically on their presence in Cr orientation-preserving diffeomorphisms of closed intervals. Learn about natural obstructions to distortion, including hyperbolic fixed points in C1 regularity and asymptotic distortion in C2 regularity and above. Investigate whether these identified obstructions represent the complete set of limitations. Access this comprehensive mathematical discussion through CIRM's Audiovisual Mathematics Library, featuring chapter markers, keywords, abstracts, bibliographies, and Mathematics Subject Classification for enhanced learning and reference.
