K3 – A New Problem List in Low-Dimensional Topology (preliminary version) [pdf] drive.google.com 2 points by frozenseven 3 days ago · 1 comment Reader PiP Save frozensevenOP 3 days ago From Daniel Ruberman's website:https://sites.google.com/brandeis.edu/ruberman/homeOfficial version:https://bookstore.ams.org/view?ProductCode=SURV/295