List of Publications

[31] O. Doğru, Direct and inverse theorems on the statistical approximations by the positive linear operators, Rocky Mountain J. of Math. (in press).

[30] M.A.Ozarslan, O.Duman and O.Doğru, A-Statistical convergence for a class of positive linear operators, Rev. Anal. Numer. Theor. Approx. (in press).

[29]  O. Doğru, On statistical approximation properties of Stancu type bivariate generalization of q-Balazs-Szabados operators, Proc. of the Int. Conf. on Numer. Anal. and Approx. Theory, Cluj-Napoca, Romania, July 5-8, (2006), 179-194.  

[28] O. Doğru and V. Gupta, Korovkin-type approximation properties of bivariate q-Meyer-König and Zeller operators, Calcolo, 43 (2006), 51-63.

[27] O. Doğru and O. Duman, Statistical approximation of Meyer-König and Zeller operators based on q-integers, Publ. Math. Debrecen, 68/1-2 (2006), 199-214.

[26] O. Duman, M.A. Ozarslan and O. Doğru, On integral type generalizations of positive linear operators, Studia Math. 174(1) (2006), 1-12.

[25] V. Gupta and O. Doğru, Approximation of bounded variation functions by a Bezier variant of the Bleimann, Butzer and Hahn operators, Int. J. of Math. and Math. Sci. Art.ID   37253 (2006), 1-5.

[24] A. Altin, O. Doğru and F. Tasdelen, The generalization of Meyer-König and Zeller operators by generating functions, J. Math. Anal. Appl., 312 (2005), 181-194.

[23] M.A. Ozarslan, O. Duman and O. Doğru, Rates of A-statistical convergence of approximating operators, Calcolo, 42 (2005), 93-104.

[22]O. Doğru and V. Gupta, Monotonicity and the asymptotic estimate of Bleimann, Butzer and Hahn operators based on q-integers, Georgian Math. J., 12(3) (2005), 415-422.

[21] V. Gupta and O. Doğru, Direct results for certain family of integral type operators, JIPAM, 6(1), Art. 21 (2005), 1-11.

[20] A. Altin, O. Doğru and M. A. Ozarslan, On the approximation properties of bivariate Bleimann, Butzer and Hahn operators, WSEAS Trans. on Math., 4(4) (2005), 327-332.(WSEAS International Conferences on Applied Mathematics, Tenerife, Spain, December 16-18, 2005).

[19] A. Altin, O. Doğru and M. A. Ozarslan, Rates of convergence of Meyer-König abd Zeller operators based on q-integers, WSEAS Trans. on Math., 4(4) (2005), 313-318.

[18] A. Aral and O. Doğru, Direct estimates and Lp-approximation properties for Agratini operators and their integral form, Int. J. Comput. Numer. Anal. Appl., 5(2) (2004), 173-187.

[17] O. Doğru, M. A. Ozarslan and F. Tasdelen, On positive operators involving a certain class of generating functions, Studia Sci. Math. Hungarica, 41(4) (2004), 445-459.

[16] A. Altin and O. Doğru, Direct and inverse estimations for a generalization of positive linear operators, WSEAS Trans. on Math., 3(3) (2004), 602-606. (WSEAS and IASME International Conferences on Applied Mathematics, Corfu Island, Greece, August 17-19, 2004)

[15] A. Altin, O. Doğru and M. A. Ozarslan, Kantorovich type generalization of positive linear operators, WSEAS Trans. on Math., 3(3) (2004), 607-610.

[14] O. Doğru, O. Duman and C. Orhan, Statistical approximation by generalized Meyer-König and Zeller type operators, Studia Sci. Math. Hungarica, 40(3) (2003), 359-371.

[13] O. Doğru, On Bleimann, Butzer and Hahn type generalization of Balazs operators, Studia Univ. “Babeţ-Bolyai”, Mathematica, 47(4) (2002), 37-45 (Dedicated to Professor D.D. Stancu on his 75^th birthday).

[12] O. Doğru, Weighted approximation properties of Szasz-type operators, Int. Math. J., 2(9) (2002), 889-895.

[11] O. Doğru, Weighted approximation of continuous functions on the all positive axis by modified linear positive operators, Int. J. Comput. Numer. Anal. Appl., 1(2) (2002), 135-147.

[10] O. Doğru and N. Ozalp, Approximation by Kantorovich type generalization of Meyer-König and Zeller operators, Glas. Mat. Ser. III, 36(56)(2) (2001), 311-318.

[9] O. Doğru, On a sequence of Galileo Galilei, Math. World, 10(1) (2001), 18-19 (Turkish).

[8] O. Doğru, On Weighted approximation of continuous functions by linear positive operators on infinite intervals, Math. Cluj, 41(64)(1) (1999), 39-46.

[7] A.D. Gadjiev and O. Doğru, On combination of Riesz potential with non-isotropic kernels, Indian J. Pure Appl. Math., 30(6) (1999), 545-556.

[6] O. Doğru, Explicit formulas for Gauss sums, Math. World, 8(3) (1999), 13-17 (Turkish).

[5] O. Doğru, Approximation order and asymptotic approximation for generalized Meyer-König and Zeller operators, Math. Balkanica (N.S.), 12(3-4) (1998), 359-368.

[4] O. Doğru, On the order of approximation of unbounded functions by the family of generalized linear positive operators, Commun. Fac. Sci. Ank. Ser. A1 Math. Stat., 46(1-2) (1998), 173-181.

[3] E.A. Gadjieva and O. Doğru, Weighted approximation properties of Szasz operators to continuous functions, II. Kizilirmak Int. Sci. Conference Proc., Kirikkale, Turkey, (1998), 29-37 (Turkish).

[2] O. Doğru, On a certain family of linear positive operators, Tr. J. of Math., 21(4) (1997), 387-399.

[1] O. Doğru, On the approximation properties of a family of generalized positive linear operators and their derivatives, I. Kizilirmak Nat. Sci. Conference Proc., Kirikkale, Turkey, (1997), 92-101 (Turkish).

BACK