Ştefan M. Şoltuz

The information on this webpage is no longer updated.

e-mail: soltuzul[at]yahoo.com, stefanmsoltuz[at]yahoo.com

Ph.D. in Mathematics (2004)
Thesis title: Contributions to the theory of Mann and Ishikawa iterations
Supervisor: Prof. dr. Iosif Kolumban

### Current position:

former member (between 1998-2014) of ICTP

### Research domains:

• Fixed Point Theory
• Functional analysis
• ODEs

version of December 2, 2022.

## 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…