By Marek Janasz and others

In this note we consider two simplicial arrangements of lines and ideals \(I\) of intersection points of these lines. There are \(127\) intersection points in both cases and the numbers \(t_i\) of points lying on exactly \(i\) configuration lines (points of multiplicity \(i\)) coincide. We show that in one of... Show more

December 11, 2018

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New phenomena in the containment problem for simplicial arrangements

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