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math.CO2025
On minimum Venn diagrams
Sofia Brenner, Petr Gregor, Torsten Mütze +1
An -Venn diagram is a diagram in the plane consisting of simple closed curves that intersect only finitely many times such that each of the possible intersections is r…
math.CO2025
Combinatorial generation via permutation languages. VII. Supersolvable hyperplane arrangements
Sofia Brenner, Jean Cardinal, Thomas McConville +2
For an arrangement of hyperplanes in through the origin, a region is a connected subset of . The graph of regions $G(…