On the Approximation of Periodic Functions in L2 and the Values of the Widths of Certain Classes of Functions by K. Tukhliev

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On the Generalized Baskakov Durrmeyer Operators by Gülsüm Ulusoy

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New Construction and New Error Bounds for (0, 2, 4) Lacunary Interpolation By Six Degree Spline by Karwan Jwamer, Ridha Karem

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SOME INEQUALITIES BETWEEN THE BEST SIMULTANEOUS APPROXIMATION AND MODULUS OF CONTINUITY IN THE WEIGHTED BERGMAN SPACE by Muqim S. Saidusainov

Subjects: “…the best simultaneous approximation, modulus of continuity, upper bound, \(n\)-widths…”
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The Exact Inequalities of Jackson–Stechkin Type and the Width Values for Some Classes of Functions in L₂ Space by M. R. Langarshoev

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Better Approximation of Functions by Genuine Baskakov Durrmeyer Operators by Gülsüm Ulusoy Ada

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Weighted approximation: Korovkin and quantitative type theorems by Ali Aral

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Properties of the modulus of continuity for monotonous convex functions and applications by Sorin Gheorghe Gal

Subjects: “…concave modulus of continuity…”
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Neural Networks as Positive Linear Operators by George A. Anastassiou

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Rate of approximation of blending type modified univariate and bivariate λ-Schurer-Kantorovich operators by Reşat Aslan

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ON AN ESTIMATE FOR THE MODULUS OF CONTINUITY OF A NONLINEAR INVERSE PROBLEM by Elena V. Tabarintseva

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Two remarks on properties of functions of bounded variation by Sergey V. Astashkin, Vladislav M. Ershov

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A New Approach for Solving Nonlinear 3D-Volterra Fuzzy Integral Equations by Hamid Mottaghi Golshan, Kianoush Fathi Vajargah, Reza Ezzati

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On an Optimal Quadrature Formula for Classes of Functions Given by Modulus of Continuity by M. Sh. Shabozov

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Trigonometric derived rate of convergence of various smooth singular integral operators by George Anastassiou

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On sharpness of growth estimates of Cauchy-Stieltjes integrals in the unit disc and the polydisc by I. E. Chyzhykov, O. A. Zolota

Subjects: “…modulus of continuity…”
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Approximation using Jakimovski–Leviatan operators of Durrmeyer type with 2D-Appell polynomials by Manoj Kumar, Nusrat Raza, M. Mursaleen

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Approximation with Chlodowsky variant of Kantorovich-Stancu-operators employing associated λ-polynomials by Nusrat Raza, Manoj Kumar

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OBTAINING A UNIQUE SPLINE FUNCTION TO INTERPOLATE A POLYNOMIAL WITH LACUNARY DATA VALUES by Pankaj Kumar Tripathi, Kulbhushan Singh

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Approximation in quantum calculus of the Phillips operators by using the sequences of q-Appell polynomials by Md. Nasiruzzaman, Mohammad Dilshad, S. A. Mohiuddine, Bader Mufadhi Eid Albalawi, Mohammad Rehan Ajmal

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