The necessary density condition in C known for sampling and interpolation in the L-P space of entire functions with a subharmonic weight is extended to the case of a 2-homogeneous, plurisubharmonic weight function in C. The method is by estimating the eigenvalues of a certain Toeplitz concentration operator, using asymptotic estimates for the Bergman kernel of independent interest. (C) 2001 Academic Press.
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Zhongkai Univ Agr & Engn, Sch Math & Data Sci, Guangzhou 510225, Peoples R ChinaZhongkai Univ Agr & Engn, Sch Math & Data Sci, Guangzhou 510225, Peoples R China
Huang, Yun
Qian, Tao
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Macau Univ Sci & Technol, Macao Ctr Math Sci, Taipa, Macau, Peoples R ChinaZhongkai Univ Agr & Engn, Sch Math & Data Sci, Guangzhou 510225, Peoples R China
Qian, Tao
Zhang, Dawei
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Foshan Univ, Sch Math & Big Data, Foshan 528000, Peoples R ChinaZhongkai Univ Agr & Engn, Sch Math & Data Sci, Guangzhou 510225, Peoples R China
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Sun Yat Sen Zhongshan Univ, Dept Math, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Zhongshan Univ, Dept Math, Guangzhou 510275, Guangdong, Peoples R China