| Convergence of the Cesàro mean for rational orthonormal bases |
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| 基金项目： | Supported in part by NSFC under Grant 10771053, by the National Research Foundation for the Doctoral Program of Higher Education of China （SRFDP） under Grant 20060512001, and by Natural Science Foundation of Hubei Province under Grant 2007ABA139 |
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| 摘 要： | This paper deals with the convergence of the Cesaro mean for the rational orthonormal bases. Provided the set of zeroes of rational orthonormal bases is formed by a periodic repetition of the same finite sequence, the explicit expression of so-called block-Fejer kernel is available, and some properties of the block-Fejer kernel are discussed. Based on the convergence of the block-Cesaro mean, the convergence of Cesaro mean is also provided.
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| 关 键 词： | 正交基 收敛 理性 有限序列 属性块 内核 |
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