Three results of subdifferential in smooth Banach spaces
Yang Fu · Yunnan Daxue xuebao. Shehui kexue ban · 2002
A generalized approximate mean value theorem and a generalized weak monotonicity result are obtained by using local fuzzy sum rule and generalized multifunctional mean value inequality in β smooth Banach spaces,so is a β subdifferential rule of the intersection composition of two set value maps.