The effects of matrix summability methodson bounds of function sequences. - Oktay Duman (Appl. Math. Lett., 2004)

Rates of A-statistical convergence of positive linear operators. - Oktay Duman; Cihan Orhan (Appl. Math. Lett., 2005)

Statistical approximation of certain positive linear operators constructed by means of the Chan-Chyan-Srivastava polynomials. - Esra Erkus; Oktay Duman; H. M. Srivastava 001 (Appl. Math. Comput., 2006)

Approximation of Continuous Periodic Functions Via Statistical Convergence. - Oktay Duman; Esra Erkus (Comput. Math. Appl., 2006)

Statistical rates on the multivariate approximation theory. - Oktay Duman; Esra Erkus; Vijay Gupta 002 (Math. Comput. Model., 2006)

Szász-Mirakjan type operators providing a better error estimation. - Oktay Duman; M. Ali Özarslan (Appl. Math. Lett., 2007)

Rates of A-statistical convergence of operators in the space of locally integrable functions. - Oktay Duman; Cihan Orhan (Appl. Math. Lett., 2008)

Statistical fuzzy approximation by fuzzy positive linear operators. - George A. Anastassiou; Oktay Duman (Comput. Math. Appl., 2008)

Statistical Fuzzy Convergence. - Mark Burgin; Oktay Duman (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2008)

Properties of fuzzy statistical limits. - Mark Burgin; Oktay Duman (J. Intell. Fuzzy Syst., 2008)

Statistical approximation results for Kantorovich-type operators involving some special polynomials. - M. Ali Özarslan; Oktay Duman; H. M. Srivastava 001 (Math. Comput. Model., 2008)

Fuzzy approximate continuity. - Mark Burgin; Oktay Duman (J. Intell. Fuzzy Syst., 2009)

Statistical convergence of double-complex Picard integral operators. - George A. Anastassiou; Oktay Duman (Appl. Math. Lett., 2010)

Statistical Lp-approximation by double Gauss-Weierstrass singular integral operators. - George A. Anastassiou; Oktay Duman (Comput. Math. Appl., 2010)

Rates of convergence of certain King-type operators for functions with derivative of bounded variation. - M. Ali Özarslan; Oktay Duman; Cem Kaanoglu (Math. Comput. Model., 2010)

Statistical approximation properties of high order operators constructed with the Chan-Chyan-Srivastava polynomials. - Esra Erkus-Duman; Oktay Duman (Appl. Math. Comput., 2011)

Statistical approximation by double complex Gauss-Weierstrass integral operators. - George A. Anastassiou; Oktay Duman (Appl. Math. Lett., 2011)

Approximate Fuzzy Continuity of Functions. - Mark Burgin; Oktay Duman (Int. J. Fuzzy Syst. Appl., 2011)

Towards Intelligent Modeling: Statistical Approximation Theory - George A. Anastassiou; Oktay Duman (Springer, 2011)

Generalization of Statistical Korovkin Theorems. - Alperen Ali Ergür; Oktay Duman (J. Appl. Math., 2013)

A summability process on Baskakov-type approximation. - Ismail Aslan 002; Oktay Duman (Period. Math. Hung., 2016)

Korovkin theorems on weighted spaces: revisited. - Özlem G. Atlihan; Mehmet Ünver; Oktay Duman (Period. Math. Hung., 2017)

Approximation by max-min operators: A general theory and its applications. - Türkan Yeliz Gökçer; Oktay Duman (Fuzzy Sets Syst., 2020)

Regular summability methods in the approximation by max-min operators. - Türkan Yeliz Gökçer; Oktay Duman (Fuzzy Sets Syst., 2022)

Vector-Valued Shepard Processes: Approximation with Summability. - Oktay Duman; Biancamaria Della Vecchia (Axioms, 2023)

Max-product Shepard operators based on multivariable Taylor polynomials. - Oktay Duman (J. Comput. Appl. Math., 2024)

Kantorovich Version of Vector-Valued Shepard Operators. - Oktay Duman; Biancamaria Della Vecchia; Esra Erkus-Duman (Axioms, 2024)

Improved approximation via hybrid Shepard-Lagrange operators: Linear and nonlinear perspectives. - Oktay Duman (J. Comput. Appl. Math., 2026)