We isolate several classes of stationary sets of [κ]ω and investigate implications among them. Under a large cardinal assumption, we prove a structure theorem for stationary sets.
基金the Coalition for National Science Funding (Grant No. 10571168)the GACR (Grant Nos. 201/02/857 and 201-03-0933)+2 种基金the GAAV (Grant No. IAA 100190509)NSF (Grant No.DMS-0071437)visiting appointments at Chinese Academy of Sciences in Beijing and National University of Singapore
文摘We isolate several classes of stationary sets of [κ]ω and investigate implications among them. Under a large cardinal assumption, we prove a structure theorem for stationary sets.
