Approximation Theory and Its Applications

Aims & Scope

Cessation.

Continues as Analysis in Theory and Applications

Abstracting & Indexing

Journal is indexed in leading academic databases, ensuring global visibility and accessibility of our peer-reviewed research.

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Subjects & Keywords

Journal’s research areas, covering key disciplines and specialized sub-topics in Mathematics, designed to support cutting-edge academic discovery.

Most Cited Articles

The Most Cited Articles section features the journal's most impactful research, based on citation counts. These articles have been referenced frequently by other researchers, indicating their significant contribution to their respective fields.

• Hermite-Birkhoff interpolation of scattered data by radial basis functions

  Citation: 148

  Authors: Wu

• Hermite matrix polynomials and second order matrix differential equations

  Citation: 62

  Authors: J., R.

• Degree of approximation by superpositions of a sigmoidal function

  Citation: 59

  Authors: Chen

• Spaces of bivariate spline functions over triangulation

  Citation: 58

  Authors: Hong

• Direct and converse results for operators of Baskakov-Durrmeyer type

  Citation: 54

  Authors: M.

• A note on modified Baskakov type operators

  Citation: 39

  Authors: Vijay

• Compactly supported box-spline wavelets

  Citation: 33

  Authors: C. K., J., J. D.

• The central BMO spaces and Littlewood-Paley operators

  Citation: 28

  Authors: Lu, Yang

• Shape preserving approximation using least squares splines

  Citation: 28

  Authors: Gleb

• A discrete characterization of Besov spaces

  Citation: 25

  Authors: Anna