3 papers
math.AC2017
A software package to compute automorphisms of graded algebras
Simon Keicher
We present a library autgradalg.lib for the free computer algebra system Singular to compute automorphisms of integral, finitely generated -algebras that are graded poi…
math.AG2017
Current Challenges in Developing Open Source Computer Algebra Systems
Janko Boehm, Wolfram Decker, Simon Keicher +1
This note is based on the plenary talk given by the second author at MACIS 2015, the Sixth International Conference on Mathematical Aspects of Computer and Information Sciences. Mo…
math.AG2016
On blowing up the weighted projective plane
Juergen Hausen, Simon Keicher, Antonio Laface
We investigate the blow-up of a weighted projective plane at a general point. We provide criteria and algorithms for testing if the result is a Mori dream surface and we compute th…