1 “... at University of Graz, Austria, this volume represents a wide range of research trends in the theory...”

2 “... at the University of Graz, Graz, Austria. It reflects recent trends in multiplicative ideal theory and factorization...”

3 “... and Polynomials, Technische Universität Graz, Graz, Austria, July 19 –24, 2021, and papers intended...”

4 “... and Polynomials”  Graz, Austria. There is alsoa small collection of invited articles authored by experts...”