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math.CO2026
Non-acyclic spaces of line transversals
Haochi Jiang, Martin Tancer
Cheong, Goaoc and Holmsen conjectured that every connected component of the space of line transversals to a family of pairwise disjoint open convex sets in is acycli…
math.CO2026
Maximal matroids and counterexamples
Denys Bulavka, Martin Tancer
Jackson and Tanigawa conjectured that the rigidity matroid and the hyperconnectivity matroid are the unique maximal matroids in the posets of $\…