Explore a conference talk on harmonic analysis and partial differential equations delivered by Moritz Egert at the Centre International de Rencontres Mathématiques in Marseille, France. Delve into the topic of "Unexpected norms on BMO and the Dirichlet problem" in this 56-minute presentation recorded on June 11, 2024. Access this video and other talks by renowned mathematicians through CIRM's Audiovisual Mathematics Library, which offers features such as chapter markers, keywords, enriched content with abstracts and bibliographies, and multi-criteria search options. Gain insights into advanced mathematical concepts and expand your understanding of harmonic analysis and PDEs through this comprehensive lecture.