Density by Moduli and Korovkin Type Approximation Theorem of Boyanov and Veselinov
0
조회
0
다운로드
0
인용
0
참고문헌
키워드
초록
The concept of f-statistical convergence which is, in fact, a generalization of statistical convergence, has been introduced recently by Aizpuru et al. (Quaest. Math. 37: 525-530, 2014). The main object of this paper is to prove an f-statistical analog of the classical Korovkin type approximation theorem of Boyanov and Veselinov. It is shown that the f-statistical analog is intermediate between the classical theorem and its statistical analog. As an application, we estimate the rate of f-statistical convergence of the sequence of positive linear operators defined from C*[0,infinite) into itself.
Abstract
The concept of f-statistical convergence which is, in fact, a generalization of statistical convergence, has been introduced recently by Aizpuru et al. (Quaest. Math. 37: 525-530, 2014). The main object of this paper is to prove an f-statistical analog of the classical Korovkin type approximation theorem of Boyanov and Veselinov. It is shown that the f-statistical analog is intermediate between the classical theorem and its statistical analog. As an application, we estimate the rate of f-statistical convergence of the sequence of positive linear operators defined from C*[0,infinite) into itself.
참고문헌 (36)
- A. Aizpuru, "Density by moduli and statistical convergence", Quaest. Math, 37, pp.525~530 (2014)
- F. Altomare, "Korovkin-type theorems and approximation by positive linear operators", Surv. Approx. Theory, 5, pp.92~164 (2010)
- V. A. Baskakov, "An example of a sequence of linear positive operators in the space of continuous functions", Dokl. Akad. Nauk, 113, pp.249~251 (1957)
- C. Belen, "Generalized weighted statistical convergence and application", Appl. Math. Comput, 219(18), pp.9821~9826 (2013)
- V. K. Bhardwaj, "f-statistical convergence of order α and strong Cesaro summability of order α with respect to a modulus", J. Inequal. Appl, 2015(332), pp.14~ (2015)
- V. K. Bhardwaj, "Density by moduli and lacunary statistical conver-gence", Abstr. Appl. Anal, 2016, pp.11~ (2016)
- V. K. Bhardwaj, "Density by moduli and Wijsman lacunary statistical convergence of sequences of sets", J. Inequal. Appl, 25, pp.20~ (2017)
- V. K. Bhardwaj, "Korovkin type approximation theorem via f-statistical convergence", J. Math. Anal, 9(2), pp.99~117 (2018)
- V. K. Bhardwaj, "Density by moduli and Wijsman statistical convergence", Bull. Belg. Math. Soc. Simon Stevin, 24(3), pp.393~415 (2017)
- V. K. Bhardwaj, "Density by moduli and statistical bound-edness", Abstr. Appl. Anal, 2016, pp.6~ (2016)
- H. Bohman, "On approximation of continuous and of analytic functions", Ark. Mat, 2, pp.43~56 (1952)
- B. D. Boyanov, "A note on the approximation of functions in an infinite interval by linear positive operators", Bull. Math. Soc. Sci. Math. R.S. Roumanie (N.S.), 14(62), pp.9~1 (1970)
- L. N. Braha, "Some weighted equi-statistical convergence and Korovkin type-theorem", Results Math, 70, pp.433~446 (2016)
- O. Duman, "Statistical approximation for periodic functions", Demonstratio Math, 36, pp.873~878 (2003)
- O. Duman, "Statistical approximation for infinite intervals", ~
- H. Fast, "Sur la convergence statistique", Colloquium Math, 2, pp.241~244 (1951)
- J. A. Fridy, "On statistical convergence", Analysis, 5, pp.301~313 (1985)
- A. D. Gadjiev, "Some approximation theorems via statistical conver-gence", Rocky Mountain J. Math, 32, pp.129~138 (2002)
- A. Holhos, "The rate of approximation of functions in an infinite interval by positive linear operators", Stud. Univ. Babes-Bolyai Math, 55(2), pp.133~142 (2010)
- A. Holhos, "Contributions to the approximation of functions", Ph. D, pp.2010
- U. Kadak, "Statistical weighted B-summability and its applications to approximation theorems", Appl. Math. Comput, 302, pp.80~96 (2017)
- E. Kolk, "Statistically convergent sequences in normed spaces, Reports of convergence \Methods of algebra and analysis", Tartu, pp.63~66 (1988)
- P. P. Korovkin, "On convergence of linear positive operators in the space of continuous functions", Doklady Akad. Nauk. SSSR(N.S.), 90, pp.961~964 (1953)
- P. P. Korovkin, "Linear operators and approximation theory" (1960), Hindustan Publ. Corp
- I. J. Maddox, "Sequence spaces defined by a modulus", Math. Proc. Cambridge Philos. Soc, 100, pp.161~166 (1986)
- S. A. Mohiuddine, "Statistical weighted A-summability with application to Korovkin's type approximation theorem", J. Inequal. Appl, 2016(101), pp.13~ (2016)
- S. A. Mohiuddine, "Statistical summability (C, 1) and a Korovkin type approximation theorem", J. Inequal. Appl, 2012(172), pp.8~ (2012)
- M. Mursaleen, "Statistical lacunary summability and Korovkin type approximation theorem", Ann. Univ. Ferrara Sez. VII Sci. Mat, 57, pp.373~381 (2011)
- I. Niven, "An introduction to the theory of numbers" (1991), John Willey and Sons
- P. A. Pitul, "valuation of the approximation order by positive linear operators", Ph. D, pp.2007
- T. Popoviciu, "Asupra demonstratiei teoremei lui Weierstrass cu ajutorul polinoamelor de interpolare", Lucraarile Sesiunii Generale Stiintifice din, pp.1664~1667 (1951), Academiei Republicii Populare Rombane
- W. H. Ruckle, "FK spaces in which the sequence of coordinate vectors is bounded", Canad. J. Math, 25, pp.973~978 (1973)
- T. Salat, "On statistically convergent sequences of real numbers", Math. Slovaca, 30(2), pp.139~150 (1980)
- I. J. Schoenberg, "The integrability of certain functions and related summability meth-ods", Amer. Math. Monthly, 66, pp.361~375 (1959)
- H. Steinhaus, "Sur la convergence ordinaire et la convergence asymptotique", Colloq. Math, 2, pp.73~74 (1951)
- A. Zygmund, "Trigonometric series" (1979), Camb. Univ. Press
