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Results tagged with co.combinatorics
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user 26674
Enumerative combinatorics, graph theory, order theory, posets, matroids, designs and other discrete structures. It also includes algebraic, analytic and probabilistic combinatorics.
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Is there a characterization of hyperplane arrangement intersection posets?
Chapters 4 and 8 of Oriented Matroids
By Anders Björner, Michel Las Vergnas, Bernd Sturmfels, Neil White, Gunter M. Ziegler
reviews the big face lattice of oriented matroids, and when that is realiz …
- 900