Explore a conference talk on private frequency estimation using projective geometry, delivered by Jelani Nelson at the "Learning and Optimization in Luminy" thematic meeting. Delve into advanced mathematical concepts as Nelson presents his research at the Centre International de Rencontres Mathématiques in Marseille, France. Gain insights into the intersection of privacy, frequency estimation, and geometric techniques over the course of 49 minutes. Access this recording 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 of mathematical topics.