For every linear hyperplane arrangement, the A-matroid, A-adjoint, and refined A-Schubert decompositions of the Grassmannian coincide, extending the essential case.
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A decomposition of Grassmannian associated with a hyperplane arrangement
For every linear hyperplane arrangement, the A-matroid, A-adjoint, and refined A-Schubert decompositions of the Grassmannian coincide, extending the essential case.