Explore a comprehensive lecture on cluster algebras and the amplituhedron delivered by Lauren K. Williams at the Centre International de Rencontres Mathématiques in Marseille, France. Delve into the definition and fundamental concepts of these advanced mathematical topics as part of the thematic meeting "Current trends in representation theory, cluster algebras and geometry." Access this hour-long recording through CIRM's Audiovisual Mathematics Library, which offers enhanced features such as chapter markers, keywords, abstracts, bibliographies, and Mathematics Subject Classification. Utilize the multi-criteria search function to discover related content by author, title, tags, or mathematical area, maximizing your learning experience in this cutting-edge field of mathematics.