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Journal of Sciences Islamic Republic of Iran، جلد ۲۲، شماره ۲، صفحات ۱۵۳-۱۵۷
عنوان فارسی Lower Bounds of Copson Type for Hausdorff Matrices on Weighted Sequence Spaces
چکیده فارسی مقاله Let = be a non-negative matrix. Denote by the supremum of those , satisfying the following inequality: where , , and also is increasing, non-negative sequence of real numbers. If we used instead of The purpose of this paper is to establish a Hardy type formula for , where is Hausdorff matrix and A similar result is also established for where In particular, we apply our results to the Cesaro matrices, Holder matrices and Gamma matrices. Our results also generalize some works due to R. Lashkaripour and D. Foroutannia [6]. Moreover, in this study we extend some results mentioned in [3] and [4].
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Lower Bounds of Copson Type for Hausdorff Matrices on Weighted Sequence Spaces
چکیده انگلیسی مقاله Let = be a non-negative matrix. Denote by the supremum of those , satisfying the following inequality: where , , and also is increasing, non-negative sequence of real numbers. If we used instead of The purpose of this paper is to establish a Hardy type formula for , where is Hausdorff matrix and A similar result is also established for where In particular, we apply our results to the Cesaro matrices, Holder matrices and Gamma matrices. Our results also generalize some works due to R. Lashkaripour and D. Foroutannia [6]. Moreover, in this study we extend some results mentioned in [3] and [4].
کلیدواژه‌های انگلیسی مقاله
نویسندگان مقاله r لشکری پور |
department of mathematics, faculty of mathematics,university of sistan and baluchestan

نشانی اینترنتی http://jsciences.ut.ac.ir/article_23039_f0dc72983d8fe9185ebe7e09d6ac2bf8.pdf
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