RETRACTED ARTICLE: On eigenstructure of q-Bernstein operators

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作者
Ambreen Naaz
M. Mursaleen
机构
[1] Aligarh Muslim University,Department of Mathematics
[2] China Medical University (Taiwan),Department of Medical Research, China Medical University Hospital
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关键词
Bernstein operator; Upper-triangular matrix; Eigenvalues; Total positivity; -Calculus; 65F15; 65F08; 41A36; 15A18; 41A10; 39B42; 05C62;
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摘要
The quantum analogue of Bernstein operators Bm,q\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${\mathcal {B}}_{m,q}$$\end{document} reproduce the linear polynomials which are therefore eigenfunctions corresponding to the eigenvalue 1,∀q>0\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$1,~\forall ~ q>0$$\end{document}. In this article the rest of eigenstructure of q-Bernstein operators and the distinct behaviour of zeros of eigenfunctions for cases (i) 1>q>0\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$1>q>0$$\end{document}, and (ii) q>1\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$q>1$$\end{document} are discussed. Graphical analysis for some eigenfunctions and their roots are presented with the help of MATLAB. Also, matrix representation for diagonalisation of q-Bernstein operators is discussed.
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