Explore a conference talk on identifying network effects in insurance portfolios presented by Olivier Lopez at the Centre International de Rencontres Mathématiques in Marseille, France. Delve into advanced mathematical concepts applied to insurance analysis during this 37-minute presentation, recorded as part of the "MLISTRAL" thematic meeting. 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 in-depth exploration of mathematical topics.