Günter Landsmann

Symbolic parametrization of pipe and canal surfaces

Josef Schicho, Franz Winkler, Günter Landsmann, 2000, ISSAC.

The Parametrization of Canal Surfaces and the Decomposition of Polynomials into a Sum of Two Squares

Josef Schicho, Franz Winkler, Günter Landsmann, 2001, J. Symb. Comput..

Computation of Dimension in Filtered Free Modules by Gröbner Reduction

Günter Landsmann, Christoph Fürst, 2015, ISSAC.

A Topological Criterion for Polynomiality

Josef Schicho, Peter Mayr, Günter Landsmann, 2005, Algorithmic Algebra and Logic.