数学物理学报 ›› 1997, Vol. 17 ›› Issue (3): 356-360.
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叶善力
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Ye Shanli
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摘要： 在文中,刻划了BMOA空间的循环元,得到了f是BMOA空间循环元的充分必要条件是f为外函数.
关键词: 循环元, BMOA空间, 外函数
Abstract: In this paper we try to identify the funciton whose polynomial multiples are weak* dense in thc BMOA space. Wc obtain that if|f(z)| ≥ |g(z)|at all points and if g is cyclic, then f is cyclic, Theorem 2 gives a sufficient and nccessary condition for a function to be cyclic is that f is an outer function.
Key words: Cyclic vectors, BMOA space, Outer function
叶善力. BMOA空间的循环元[J]. 数学物理学报, 1997, 17(3): 356-360.
Ye Shanli. Cyclic Vectors in the BMOA Space[J]. Acta mathematica scientia,Series A, 1997, 17(3): 356-360.
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