【摘要】 借助函数的Hadamard -方向导数 ,在赋范空间上研究了一般下半连续函数的误差界 .建立并证明了此类函数误差界成立的充分条件、必要条件 .更多还原

【Abstract】 The error bounds for lower semicontinuous functions in normed spaces were studied and the sufficient/necessary conditions of the existence of error bounds in infinite dimensional normed spaces established and proved.更多还原