摘要
讨论Banach空间的凸性、光滑性及可微性,得到若干引理,从而对已有若干结果给予新的证明.
In this paper, we discuss the convexity, smoothness and norm differentiability in Banach spaces. We obtain some lemmas, and then give new proof to some existing results.
出处
《闽江学院学报》
2014年第2期17-25,共9页
Journal of Minjiang University