On multivariate Lupaş operators
Year 2018,
Volume: 47 Issue: 4, 783 - 792, 01.08.2018
Murat Bodur
,
Fatma Taşdelen
,
Gülen Başcanbaz-tunca
Abstract
This paper is primarily concerned with multivariate Lupaş operator. We demonstrate that multivariate Lupaş operator preserves the properties of the general function of modulus of continuity, Lipschitz's constant and order of a Lipschitz continuous function. Moreover, we obtain monotonicity of the multivariate Lupaş operator under the condition that the original function is convex. Lastly, two modified extensions are constructed.
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Year 2018,
Volume: 47 Issue: 4, 783 - 792, 01.08.2018
Murat Bodur
,
Fatma Taşdelen
,
Gülen Başcanbaz-tunca
References
- Agratini, O. On a sequence of linear and positive operators, Facta Univ. Ser. Math. Inform.
14 41-48, 1999.
- Aral, A., Inoan, D. and Raşa, I. On the generalized Szász-Mirakyan operators, Results Math.65 no. 3-4, 441-452, 2014 .
- Başcanbaz-Tunca,G., İnce-İlarslan, H. G. and Erençin, A. Bivariate Bernstein type operators
, Appl. Math. Comput., 273 543-552, 2016.
- Cárdenas-Morales, D., Garrancho, P. and Rasa, I. Bernstein-type operators which preserve
polynomials, Compt. Math. Appl. 62 158-163, 2011.
- Cao,F., Ding, C. and Xu, Z. On Multivariate Baskakov operator, J. Math. Anal. Appl. 307
no. 1, 274-291, 2005.
- Erençin, A., Başcanbaz-Tunca, G. and Taşdelen Yeşildal, F. Some properties of the operators
defined by Lupaş, Revue D'Analyse Numérique et de Théorie de L'Approximation, 43 no.
2, 158-164, 2014.
- Finta,Z. Quantitative estimates for some linear and positive operator, Studia Univ. Babeş-
Bolyai Math. 47 no. 3, 71-84, 2002.
- Gadjiev, A.D. and Aral, A. The estimates of approximation by using a new type of weighted
modulus of continuity, Computers and Mathematics with Applications 54 127-135, 2007 .
- Lupaş, A. The approximation by some positive linear operators In: Proceedings of the Inter-
national Dortmund Meeting on Approximation Theory (M.W. Müller et al.,eds.),Akademie
Verlag, Berlin, 201-229, 1995.
- Olgun, A. Some properties of the Multivariate Szász Operators, Comptes rendus de l'Acad
emie bulgare des Sciences, 65, no. 2, 139-146, 2012.
- Sofonea, D. F. On a sequence of linear and positive operators, Results Math. 53 no. 3-4,
435-444, 2009.