比较了弱基与基的异同,同时还研究了弱基在投影映射下的性质,并以Arens空间S_2为例对一些不成立的命题给出了反例.
The differences are investigated between bases and weak bases,and the properties of weak bases under project maps are discussed in this paper.Some counterexamples are given by using Arens spaces S_2.