Abstract The paper gartes some results concerning linear approximation operators and it raises three open problems. AuthorsOctavian Agratini Department of…
Abstract This survey paper contains the basic ideas of windowed Fourier transform, wavelet transform, wavelet bases and multiresolution analysis, providing…
Abstract Based on the probabilistic theory, the paper contains local estimates of the rate of convergence for contraction~\(C_{0}\)-semigroup. Simultaneously a…