A note on the principal theorems in the theory of functional analysis |
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| Authors: | Du Nailin Zeng Xianwu |
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| Institution: | (1) Department of Mathematics, Wuhan University, 430072 Wuhan, China |
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| Abstract: | 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.
Du Nailin: born in Jan. 1962, Instructor |
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| Keywords: | nonnegativity positive homogeneity countable subadditivity |
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