Wall-crossing: techniques and applications September 15 to September 19, 2025 American Institute of Mathematics, Pasadena, CA Organizers: Nikolas Kuhn, Henry Liu, and Felix Thimm Description: This workshop, sponsored by AIM and the NSF, will be devoted to new developments in wall-crossing for enumerative invariants of abelian categories, with a focus on identifying promising applications. Deadline: May 1, 2025 Details: http://aimath.org/workshops/upcoming/wallcrossing