Hyperplane arrangements with a lattice of regions

Bruhat intervals of length 4 in Weyl groups

Journal of Combinatorial Theory Series A

The order dimension of the poset of regions in a hyperplane arrangement

Journal of Combinatorial Theory Series A

Lattice congruences, fans and Hopf algebras

Journal of Combinatorial Theory Series A

Bruhat order, smooth Schubert varieties, and hyperplane arrangements

Journal of Combinatorial Theory Series A

Noncrossing partitions and the shard intersection order

Journal of Algebraic Combinatorics: An International Journal

A graph-theoretical axiomatization of oriented matroids

European Journal of Combinatorics