The summer school will feature mini-courses by Joshua Greene, Jen Hom, Francesco Lin, John Pardon (to be confirmed) and Thomas Walpuski, covering topics in low-dimensional topology, Floer homology, and gauge theory. The school will be followed by a research conference the week after. The DEADLINE for applications is FEBRUARY 28, 2022. The application page is linked to from the conference webpage. Applicants are expected to provide a recommendation letter from their PhD advisor.