Overconvergence in Complex Approximation

Global Smoothness and Shape Preserving Interpolation by Classical Operators

Approximation by Max-Product Type Operators

Shape-Preserving Approximation by Real and Complex Polynomials

Approximation by Complex Bernstein and Convolution Type Operators

Global Smoothness and Shape Preserving Interpolation by Classical Operators

Quaternionic Approximation: With Application to Slice Regular Functions

Shape-Preserving Approximation by Real and Complex Polynomials

Approximation by Complex Bernstein and Convolution Type Operators

Defects of Properties in Mathematics: Quantitative Characterizations