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math.AG2005★ 18 cited
The projective invariants of ordered points on the line
Benjamin J. Howard, John Millson, Andrew Snowden +1
The space of n (ordered) points on the projective line, modulo automorphisms of the line, is one of the most important and classical examples of an invariant theory quotient, and i…
math.AG2005
Intersections of Schubert varieties and other permutation array schemes
Sara Billey, Ravi Vakil
Using a blend of combinatorics and geometry, we give an algorithm for algebraically finding all flags in any zero-dimensional intersection of Schubert varieties with respect to thr…