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math.CO2024
Characterizing Nice Partition of Graphical Arrangements
Weikang Liang, Suijie Wang, Chengdong Zhao
The successive works of Terao as well as Stanley revealed that, for graphical arrangements, supersolvability and the existence of nice partitions are equivalent properties, both ch…
math.CO2024
-Adjoint of Hyperplane Arrangements
Weikang Liang, Suijie Wang, Chengdong Zhao
In this paper, we introduce the -adjoint of a given hyperplane arrangement associated with rank- elements in the intersection lattice , which ge…