3 papers
math.CO2025
On Universal derivations for multiarrangements
Takuro Abe, Shota Maehara, Gerhard Roehrle +1
The study of universal derivations for arbitrary multiarrangements and multiplicity functions was initiated by Abe, Röhrle, Stump, and Yoshinaga in 2024 which focused on arrangemen…
math.CO2025
Extendability of the -arrangement
Torsten Hoge, Shota Maehara, Sven Wiesner
Let be a free multiarrangement, and let be an extension of . It is well known that if is the Coxeter arrangement of t…
math.CO2024
Free multiderivations of connected subgraph arrangements
Paul Mücksch, Gerhard Roehrle, Sven Wiesner
Cuntz and Kühne introduced the class of connected subgraph arrangements , depending on a graph , and classified all graphs such that the corresponding arrangement …