英语词汇Closed range theorem怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	Closed range theorem
释义	Closed range theorem 简明释义闭值域定理（闭值域定理是巴拿赫空间理论中的一个定理，给出了闭合稠定线性算子的值域为闭集的充要条件。该定理由斯特凡·巴拿赫于1932年证明。X与Y为巴拿赫空间，若T是一个闭合的线性算子，它的定义域D(X)在X中稠密，而是它的转置算子，则四个结论等价。推论包括：当且仅当算子的转置存在连续的逆算子时，存在一个稠定线性算子T使得Im(T) = Y；当且仅当T存在连续的逆算子时，Im(T)为闭集）网络释义 1 ?闭值域定理 ... closed path 闭路 closed range theorem 闭值域定理 closed region 闭域 ...
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