The Journal of Approximation Theory is devoted to advances in pure and applied approximation theory and related areas. These areas include, among others: • Classical approximation • Abstract approximation • Constructive approximation • Degree of approximation • Fourier expansions • Interpolation of operators • General orthogonal systems • Interpolation and quadratures • Multivariate approximation • Orthogonal polynomials • Pade approximation • Rational approximation • Spline functions of one and several variables
| YEAR | Impact Factor |
|---|---|
| 2023-24 | 0.9 |
| 2022 | 0.9 |
| 2021 | 0.993 |
JOURNAL OF APPROXIMATION THEORY, 0021-9045, 1968-ongoing, Mathematics.