Toeplitz and composition operators on H^2 (B_n)

Toeplitz and composition operators on H^2 (B_n)

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摘要 <正> The composition operators with closed range on H2( Bn) are characterized, and the Frcdholmness of products of Toeplitz and composition operators discussed. Moreover, using composition operators, the spectra of Toeplitz operators are studied. The composition operators with closed range on H2( Bn) are characterized, and the Frcdholmness of products of Toeplitz and composition operators discussed. Moreover, using composition operators, the spectra of Toeplitz operators are studied.

作者曹广福孙顺华

机构地区 Department of Mathematics

出处《Science China Mathematics》 SCIE 1997年第6期578-584,共7页 中国科学：数学（英文版）

基金 Project supported by the National Natural Science Foundation of China and the Postdoctoral Science Foundation of China.

关键词 TOEPLITZ OPERATOR COMPOSITION OPERATOR spectrum. Toeplitz operator, composition operator, spectrum.

分类号 O177 [理学—基础数学]

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Science China Mathematics

1997年第6期

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Toeplitz and composition operators on H^2 (B_n)

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