Hermann Schützenhöfer, Govenor of the Federal State, honoured Styrian personalities of outstanding merit - among them Roswitha Rissner (leftmost), Andreas Kautsch (back row, second from the right) und Paul Meissner (back row, second from the left) for their doctoral theses at Graz University of Technology.
Mathematician Roswitha Rissner, physicist Andreas Kautsch and telematics engineer Paul Meissner were awarded Josef Krainer Sponsorship Prizes for their excellent doctoral theses at TU Graz. All three are worthy recipients of a prize which is meant to motivate young research talents to continue their scientific careers. Every year since 1975, the Josef Krainer prizes have put the spotlight on achievements in social affairs, science and journalism by personalities coming from or working in Styria. Integer-valued polynomials. Though known about for a long time but little investigated, integer-valued polynomials are mathematical functions with special characteristics which have for many years simply been seen as computational tools. Since they became an independent research field of mathematics at the turn of the 20th century, knowledge about the unusual structure of sets of integer-valued polynomials has been steadily growing. In her doctoral thesis, Graz mathematician Roswitha Rissner has made substantial progress in solving two problems which have been around for a long time by examining Skolem properties of rings of integer-valued polynomials and the set of integer-valued polynomials on a matrix.
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