This paper shows that lower semicontinuous accretive and monotone operators T cannot be multivalued.
证明下半连续增生和单调映射不可是多值的.
Especially gives a new characterization on morphisms of category of semicontinuous lattices.
着重于半连续格范畴的态射类的构成,给出了一个新的刻画.
With the topological degree , the fixed theorems for upper semicontinuous set - valued 1 - set - contractive mapping is studied.
研究了上半连续集值 1- 集压缩映射的不动点定理.