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NONLINEAR APPROXIMATION IN SOME SEQUENCE SPACES
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نویسنده
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SAMARAH SALTI
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منبع
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jordan journal of mathematics and statistics - 2008 - دوره : 1 - شماره : 2 - صفحه:133 -142
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چکیده
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We show that approximation of an element in l^p space by finite number of terms is arbitrary slow, but if we use l^q norm, with q > p, as a measure of the error, then the approximation is faster. also, we use nonlinear approximation to characterize lorentz spaces by the error of approximation of their elements.
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آدرس
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Jordan University of Science and Technology, Department of Mathematics and Statistics, Jordan
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Authors
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