Explore a detailed lecture on maximally hypoelliptic differential operators presented by Omar Mohsen at the thematic meeting "Group operator and non commutative geometry" held at the Centre International de Rencontres Mathématiques in Marseille, France. Delve into this complex mathematical topic through a comprehensive one-hour presentation, expertly filmed by Guillaume Hennenfent. Access this talk and other presentations by renowned mathematicians worldwide through CIRM's Audiovisual Mathematics Library. Take advantage of the library's advanced features, including chapter markers, keywords for targeted viewing, enriched video content with abstracts and bibliographies, Mathematics Subject Classification, and multi-criteria search options. Enhance your understanding of this specialized area of mathematics and broaden your knowledge of group operators and non-commutative geometry.