The non-transverse monotone conjecture for Grassmannian Schubert problems
The non-transverse monotone conjecture for Grassmannian Schubert problems
Let with , and let be a Grassmannian Schubert problem for . Let be monotone with respect to the problem, meaning that the unique descents of the Grassmannian permutations vary monotonically along an orientation of . Non-transverse monotone conjecture. The intersection
is transverse. The source explains that this conjecture implies the stronger reality conjecture, is supported by extensive computation, and remains open.
Sources & referencesView supporting material
Primary source
James Ruffo, Yuval Sivan, Evgenia Soprunova and Frank Sottile, “Experimentation and conjectures in the real Schubert calculus for flag manifolds”, arXiv:math/0507377 (2005).
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