- Computer algebra
- Number theory
- Technical mathematics
Roswitha is a Senior Scientist at the University of Klagenfurt. Her research focuses on questions in algebra, computer algebra, number theory, and combinatorics.
Roswitha attained her PhD in Technical Mathematics at Graz University of Technology under the supervision of Sophie Frisch in 2015. Since then, she has held postdoctoral positions in Graz and Klagenfurt and a guest professorship in Graz.
Sophie Frisch, Sarah Nakato, Roswitha Rissner: Sets of lengths of factorizations of integer-valued polynomials on Dedekind domains with finite residue fields. Journal of Algebra, Academic Press / Elsevier, 528, Oxford, 2019, S. 231 - 249.
Roswitha Rissner, Sarah Nakato, Austin Antoniou: Irreducible polynomials in Int(Z). International Conference on Mathematics (ICM 2018) Recent Advances in Algebra, Numerical Analysis, Applied Analysis and Statistics , ITM Web of Conferences, 2018,
Clemens Heuberger, Roswitha Rissner: Computing J-ideals of a matrix over a principal ideal domain. Linear Algebra and its Applications, 527, 2017, S. 12 - 31.
List of publications: https://www.math.aau.at/rissner/publications/
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