2 papers
math.NA2022
Turning grain maps into diagrams
Andreas Alpers, Maximilian Fiedler, Peter Gritzmann +1
The present paper studies mathematical models for representing, imaging, and analyzing polycrystalline materials. We introduce various techniques for converting grain maps into dia…
math.OC2022
On resolution coresets for constrained clustering
Maximilian Fiedler, Peter Gritzmann, Fabian Klemm
Specific data compression techniques, formalized by the concept of coresets, proved to be powerful for many optimization problems. In fact, while tightly controlling the approximat…