数学与计算机科学 |
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修正Bernstein算子加Jacobi权的Voronovskaja型估计 |
夏荣荣, 虞旦盛 |
杭州师范大学 数学系,浙江 杭州 310036 |
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Estimations of Voronovskaja type weighted by Jacobi with a modified Bernstein operators |
XIA Rongrong, YU Dansheng |
Department of Mathematics, Hangzhou Normal University, Hangzhou 310036, China |
1 DITZIAN Z,TOTIK V. Moduli of Smoothness[M].Berlin:Springer-Verlag,1987. 10.1007/978-1-4612-4778-4_7 2 LORENTZ G G.Bernstein Polynomials[M].Toronto:University Toronto Press,1953. 3 ZHOU D.Rate of convergence for linear combinations of Bernstein operators with Jacobi weights[J]. Acta Mathematica Hungarica,2003,101(4):293-311. 4 VECCHIA D B,MASTROIANNI G,SZABADOS J.Weighted approximation of functions with endpoint inner singularities by Bernstein operators[J].Acta Mathematica Hungarica,2004,103(1/2):19-41. DOI:10.1023/B:AMHU.0000028234.44474.fe 5 WEI B R,ZHAO Y.Weighted approximation of functions with singularities by Bernstein operators[J].Journal of Zhejiang University-SCIENCE A,2008,9(10):1451-1456. DOI:10.1631/jzus.a0820015 6 VECCHIA B D,MASTROIANNI G,SZABADOS J.A weighted generalization of the classical Kantorovich operator[J].Rendiconti del Circolo Matematico di Palermo,2010,82:1-27. DOI:10.1007/s00009-012-0210-8 7 VECCHIA B D,MASTROIANNI G,SZABADOS J.A weighted generalization of the classical Kantorovich operator Ⅱ:Saturation[J]. Mediterranean Journal of Mathematics,2013,10:1-15. DOI:10.1007/s00009-012-0210-8 8 WANG M L,YU D S,ZHAO D J. On weighted Lp- approximation by weighted Bernstein-Durrmeyer operators[J].Analysis in Theory and Applications,2018,34(1):1-16. 9 虞旦盛. Bernstein算子对具有奇性函数的加权同时逼近[J]. 数学学报(中文版),2015,58(4):535-550. YU D S.Weighted simultaneously approximation by Bernstein operators for functions with singularity[J].Acta Mathematica Sinica (Chinese Series),2015,58(4):535-550. 10 YU D S.Weighted approximation of functions with singularities by combinations of Bernstein operators[J]. Applied Mathematics and Computation,2008,206(2):906-918. DOI:10.1016/j.amc.2008.10.021 11 YU D S.Weighted approximation by modified Kantorovich-Bernstein operators[J]. Acta Mathematica Hungarica,2013,141(1/2):132-149. DOI:10.1007/s10474-013-0325-9 12 GUO S S,LI C X,LIU X W. Pointwise approximation for linear combinations of Bernstein operators[J].Journal of Approximation Theory, 2000,107(1):109-120. DOI:10.1006/jath.2000.3504 13 GUO S S,TONG H,ZHANG G.Pointwise weighted approximation by Bernstein operators[J].Acta Mathematica Hungarica,2003,101:293-311. DOI:10.1023/b:amhu.0000004941.98294.8b |
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