Person
Dr. rer. nat.Sandra Kiefer
Address
Building: E1, 1. Etage
Room: 4107a
Ahornstraße 55
52074 Aachen
Contact
- WorkPhone
- Phone: +49 241 80 21717
Office Hours
- by appointment
Research Interests
Algorithmic Graph Theory, Discrete Mathematics (in particular, Combinatorial Optimization, Geometric Group Theory), Topology
Recent Presentations
Ein Logikspiel auf bunten Graphen (German) — World Logic Day 2021 at University of Hamburg (virtual).
Publications
Title | Authors | Published in |
---|---|---|
Sandra Kiefer |
ACM SIGLOG News |
|
Power and Limits of the Weisfeiler-Leman Algorithm | Sandra Kiefer |
RWTH Aachen University Publications |
The Iteration Number of Colour Refinement | Sandra Kiefer, Brendan D. McKay | Proceedings of the 47th International Colloquium on Automata, Languages, and Programming, ICALP 2020, virtual, July 8-11, 2020 |
The Power of the Weisfeiler-Leman Algorithm to Decompose Graphs | Sandra Kiefer, Daniel Neuen | Proceedings of the 44th International Symposium on Mathematical Foundations of Computer Science, MFCS 2019, Aachen, Germany, August 26-30, 2019 |
String-to-String Interpretations with Polynomial-Size Output | Mikołaj Bojańczyk, Sandra Kiefer, Nathan Lhote | Proceedings of the 46th International Colloquium on Automata, Languages, and Programming, ICALP 2019, Patras, Greece, July 8-12, 2019 |
A Linear Upper Bound on the Weisfeiler-Leman Dimension of Graphs of Bounded Genus | Martin Grohe, Sandra Kiefer | Proceedings of the 46th International Colloquium on Automata, Languages, and Programming, ICALP 2019, Patras, Greece, July 8-12, 2019 |
The Weisfeiler-Leman Dimension of Planar Graphs is at most 3 | Sandra Kiefer, Ilia Ponomarenko, Pascal Schweitzer |
Journal of the ACM Proceedings of the 32nd Annual ACM/IEEE Symposium on Logic in Computer Science, LICS 2017, Reykjavík, Iceland, June 20-23, 2017 |
Upper Bounds on the Quantifier Depth for Graph Differentiation in First Order Logic |
Sandra Kiefer, Pascal Schweitzer |
Logical Methods in Computer Science Proceedings of the 31st Annual ACM/IEEE Symposium on Logic in Computer Science, LICS 2016, New York, NY, USA, July 5-8, 2016 |
Sandra Kiefer, Pascal Schweitzer, Erkal Selman |
Proceedings of the 40th International Symposium on Mathematical Foundations of Computer Science, MFCS 2015, Milan, Italy, August 24-28, 2015 |