One-to-one correspondence between fuzzifying topologies and fuzzy preorders. - Jinming Fang; Piwei Chen (Fuzzy Sets Syst., 2007)

Alexandroff L-co-topological spaces. - Piwei Chen; Dexue Zhang (Fuzzy Sets Syst., 2010)

Coreflective hull of finite strong L-topological spaces. - Piwei Chen; Hongliang Lai; Dexue Zhang (Fuzzy Sets Syst., 2011)