In this paper, we study the definition of semi continuous function and the sufficient conditions of semicontinuity, obtain some properties of semi continuous function.
给出了半连续函数的定义，研究了函数具有半连续性的条件，推出了半连续函数的一些性质。
2
The purpose of this paper is to study the upper semi-continuity on their solutions of optimisation problems on the cone.
运用通有的方法，研究了在锥变化和挠动的意义下向量优化问题解的上半连续性。
3
In this paper, we have discussed some problems about the upper semi-continuity and J-convexity of the limit mapping of set-valued mapping sequence.