K-FUNCTIONAL

作品数：24被引量：12H指数：2
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相关领域：理学更多>>
相关作者：刘喜武孙德华刘丽霞吴嘎日迪刘三阳更多>>
相关机构：河北经贸大学西安电子科技大学内蒙古师范大学河北师范大学更多>>
相关期刊：《Science China Mathematics》《高等学校计算数学学报》《Analysis in Theory and Applications》《Open Journal of Applied Sciences》更多>>
相关基金：国家自然科学基金福建省自然科学基金内蒙古自治区自然科学基金更多>>
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Approximation by q Baskakov Beta Operators被引量：2
《Acta Mathematicae Applicatae Sinica》2011年第4期569-580,共12页Vijay GUPTA Ali ARAL 
In the present paper we introduce the q analogue of the Baskakov Beta operators. We establish some direct results in the polynomial weighted space of continuous functions defined on the interval [0, ∞）. Then we obta...
关键词：q-Baskakov operators q-Baskakov-Beta operators modulus of continuity K-FUNCTIONAL weighted approximation rate of approximation q-Beta integral 
Strong Converse Inequality for Left Gamma Quasi-Interpolants被引量：2
《Acta Mathematicae Applicatae Sinica》2005年第1期115-124,共10页Qiu-lanQi Shun-shengGuo 
Supported by the Hebei Provincial Science Foundation of China (A2004000137);Doctoral Research Fund of Hebei Normal University (L2002B03)
Abstract The rate of convergence for the Gamma operators cannot be faster than $$O{\left( {\frac{1}{n}} \right)}$$. In order to obtain much faster convergence, quasi-interpolants in the sense of Sablonnière are consi...
关键词：gamma quasi-interpolant strong converse inequality K-FUNCTIONAL 
BESOV SPACES AND K-FUNCTIONALS IN L_p, 0<p<1
《Acta Mathematicae Applicatae Sinica》2000年第3期258-265,共8页李松 吴正昌 马柏林 
This project is supported by the National Natural Science Foundation of China.
We investigate Besov spaces and their connection with trigonometric polynomial approximation in L_p[－π,π], algebraic polynomial approximation in L_p[-1,1], algebraic polynomial approximation in L_p(S), and entir...
关键词：Besov space K-FUNCTIONAL Lp space (0 
ON WAVELETS IN L_1
《Acta Mathematicae Applicatae Sinica》1994年第1期69-74,共6页周定轩 
In this paper we give a method to characterize the smoothness of functions in L1 by an r-regular multiresolution analysis and its derivatives.
关键词：WAVELETS r-regular multiresolution analysis K-FUNCTIONAL Moduli of smoothness 
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