**People, research interests, and links to personal web pages:**

**Sophie Frisch** Commutative ring theory, polynomial functions on commutative rings and non-commutative algebras, topological methods in ring theory. **Sarah Nakat****o** (PostDoc), commutative ring theory, factorization, integer-valued polynomials **Amr Al-Maktry** (PostDoc), ring theory, polynomial functions, group theory **Daniel Windisch** (graduate student), commutative ring theory **Former member**s: **Chimere Stanley Anabanti ** (U. of Pretoria), group theory **Carmelo Finocchiaro** (University of Catania) Multiplicative ideal theory, valuation theory, spectral spaces,

abstract Riemann surfaces. **Giulio Peruginelli **(U. Padova) Commutative ring theory, algebraic number theory, integer-valued polynomials **Roswitha Rissner** (U. Klagenfurt) Commutative ring theory, linear algebra over commutative rings.

We collaborate with mathematicians in France (Marseille, Amiens), Italy (Roma Tre, U. Padova), the USA (Penn State, SUNY, Ohio State), and in Vienna and other places.

**From time to time, we organize a conference on "rings and polynomials" in Gra****z **