2 papers
math.OC2022
Handling Sub-symmetry in Integer Programming using Activation Handlers
Christopher Hojny, Tom Verhoeff, Sten Wessel
Symmetry in integer programs (IPs) can be exploited in order to reduce solving times. Usually only symmetries of the original IP are handled, but new symmetries may arise at some n…
math.HO2018
Determining the essentially different partitions of all Japanese convex tangrams
T. G. J. Beelen, T. Verhoeff
In this report we consider the set of the 16 possible convex tangrams that can be composed with the 7 so-called "Sei Shonagon Chie no Ita" (or Japanese) tans, see [10]. The set of…