Explore a 53-minute conference talk by Nicolás Matte Bon on actions on the real line of some finitely generated groups. Delivered during the thematic meeting "Big Mapping Class Group and Diffeomorphism Groups" at the Centre International de Rencontres Mathématiques in Marseille, France on October 13, 2022. Delve into advanced mathematical concepts and their applications in group theory and real analysis. Access this video and other talks by renowned mathematicians through CIRM's Audiovisual Mathematics Library, featuring chapter markers, keywords, enriched content with abstracts and bibliographies, and a multi-criteria search function for easy navigation and comprehensive learning.