• Carleson V.S. Sparse (by Andrei K. Lerner and Fedor Nazarov)

Welcome to HAPPY (Harmonic Analysis People’s Presentations on YouTube)! Here you will find everything about the YouTube channel dedicated to harmonic analysis, a field of mathematics, and its applications. Various video series will be uploaded regularly and related live events will be organized. Stay tuned by subscribing to our mailing list and visiting our website often!

Hello, World!, Title Tracks, and Director’s Cuts are now accepting talk submissions. Please visit the individual pages for more details. New series coming soon in 2023-24. Please stay tuned.



If you want to discuss a potential talk submission, or have any inquiries, comments or suggestions, please email harmonic-analysis@sas.upenn.edu

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