Philadelphia Harmonic Analysis and Differential Equations 2026

The Philadelphia Harmonic Analysis and Differential Equations 2026 (PHADE 2026) conference is a satellite conference of the 2026 International Congress of Mathematicians which will be held July 18-22, 2026 on the Campus of the University of Pennsylvania. This week-long international conference on harmonic analysis and partial differential equations (PDEs) will host approximately 38 fifty-minute lectures by world-leading figures in harmonic analysis and PDEs who will present recent breakthroughs in the field. 

Quick Facts

• All conference activities will take place in David Rittenhouse Laboratory, located at 209 South 33rd Street in Philadelphia. DRL is home to the Mathematics Department. Talks will be held on the ground floor in room A1.

• You may enter the building using the main entrance on 33rd Street. There is a bank of several doors. A security guard will be available during conference hours to assist with access to the building and other issues.

• Conference facilities will be open to registered participants starting at 8:30am each day. They will remain open until 5:30pm.

• Talks will begin at 9:00am on Saturday, Sunday, Monday, and Tuesday. On the final day, talks will begin at 8:30am. For a full schedule, see the Scientific Program section of this website.

The organizers of this event are Philip Gressman (University of Pennsylvania), Yumeng Ou (UPenn) and Brian Street (University of Wisconsin at Madison).

The organizers would like to thank the National Science Foundation and the University of Pennsylvania's University Research Foundation for their support.