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Arrangements of equal minors in the positive Grassmannian
Published 2014-01-01Subjects: Get full text
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Arrangements Of Minors In The Positive Grassmannian And a Triangulation of The Hypersimplex
Published 2015-01-01“…The structure of zero and nonzero minors in the Grassmannian leads to rich combinatorics of matroids. …”
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Weak Separation, Pure Domains and Cluster Distance
Published 2020-04-01“…We apply our result to calculate the cluster distance and to give lower bounds on the mutation distance between cluster variables in the cluster algebra structure on the coordinate ring of the Grassmannian. Using a linear projection that relates weak separation to the octahedron recurrence, we also find the exact mutation distances and cluster distances for a family of cluster variables.…”
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