Franz Halter-Koch

Curriculum Vitae

Institut für Mathematik

und Wissenschaftliches Rechnen

der Karl-Franzens-Universität Graz

Heinrichstraße 36/IV Pachernweg 6D

8010 Graz, Austria 8042 Graz, Austria

email: franz.halterkoch@uni-graz.at email: franz.halterkoch@aon.at

1944, 02-09: Born in Oberwölz (Austria);

Parents: Franz and Theresia Halter-Koch,

established merchants in Oberwölz (Austria).

School education:

1950 - 1958: Primary school in Oberwölz (Austria)

1958 - 1962: Commercial College in Klagenfurt (Austria)

University education:

1962 - 1965: Mathematics and Physics at the University of Graz (Austria)

1965 - 1967: Mathematics at the University of Hamburg (Germany);

1967 Diplom (“Diplom-Mathematiker”) at the University of Hamburg.

1968 PhD (Dr. phil.) at the University of Graz

Thesis: “Kriterien zum 8. Potenzcharakter der Reste 3 und 5 und zum 9. Potenzcharakter von 3“

Academic Employment:

1967 - 1968: Hochschulassistent (assistant professor) at the Technical University of Graz (Austria).

1968 - 1971: Universitätsassistent (assistant professor) at the University of Cologne (Germany).

1971 : Habilitation at the University of Cologne (Germany).

1971 – 1972 : Universitätsdozent (lecturer) at the University of Cologne (Germany).

1972 - 1973: Wissenschaftlicher Rat und Professor (associated professor)

at the University of Cologne (Germany).

1973 - 1981: Full Professor at the University of Essen (Germany).

Since 1981 : Full Professor at the University of Graz (Austria).

October 2008: Retirement

Research areas:

Elementary and algebraic number theory, Commutative Algebra.

Current research interests:

Non-unique factorizations in monoids and integral domains (algebraic, combinatorial and analytic theory)

Multiplicative ideal theory

Quadratic irrationalities (binary quadratic forms and continued fractions)

Further scientific interests:

School mathematics and didactics, Foundation of mathematics.

Books:

Ideal Systems. An Introduction to Multiplicative Ideal Theory.

422 pp., Marcel Dekker 1998.

Non-Unique Factorizations. Algebraic, Combinatorial and Analytic theory, gem.~m.~A. Geroldinger. 700 pp.,

Pure and Applied Mathematics, vol. 278, Chapman \& Hall/CRC, 2006.

hematics and didactics, Foundations of Mathematics.

Membership:

Corresponding Member of the Austrian Academy of Science

Member of the Deutsche Mathematikervereinigung and the Österreichische Mathematische Gesellschaft.

Family:

Married since 1968 with Dorothea Halter-Koch née Kortüm;

3 children: Christian (born 1974), Beate (born 1975), Anna (born 1977).

5 grandchildren: Caterina (born 2004), Eleni (born 2006), Michael (born 2012), Cosimo (born 2013), Elisa (born 2013),.