Doina Brădeanu

Former member of the institute, employed between 1978-1997.

## Simultaneous approximation by Gauss–Weierstrass–Wachnicki operators

Abstract In this note, we spotlight a generalization of Weierstrass integral operators introduced by Eugeniusz Wachnicki. The construction involves modified Bessel functions. The operators are correlated with diffusion equation. Our…