A Note on the Principal Theorems in the Theory of Functional Analysis  

作　　者：Du Nailin Zeng Xianwu 

机构地区：[1]Department of Mathematics,Wuhan University,Wuhan 430072,China

出　　处：《Wuhan University Journal of Natural Sciences》1997年第2期26-28,共3页武汉大学学报（自然科学英文版）

摘　　要：Two theorems are proved. They are with principal significance in functional analysis, for they imply some well known theorems, such as the open mapping theorem, the closed graph theorem and the Banach Steinhaus theorem.

关 键 词：NONNEGATIVITY positive homogeneity countable subadditivity 

分 类 号：O174[理学—数学]