Explore a comprehensive lecture on cluster algebras with coefficients and relative Calabi-Yau structures delivered by Bernhard Keller at the Centre International de Rencontres Mathématiques in Marseille, France. Delve into advanced mathematical concepts presented during the thematic meeting "Categories and stacks in algebraic geometry and algebraic topology CATS 7" in October 2023. Access this 64-minute conference talk 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 specialized field of mathematics.