Affine closure of T*O_n in sl_n is isomorphic via C*-Hamiltonian reduction to the minimal nilpotent orbit closure in so_{2n+2}, and has no symplectic resolution.
[Ben18] Vladimiro Benedetti
2 Pith papers cite this work. Polarity classification is still indexing.
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Minimal l(p) for non-vanishing twisted p-forms on cominuscule Grassmannians is computed, showing degree-zero codim-1 foliations are pencils of hyperplanes and providing new high-codim examples.
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A connection between minimal nilpotent orbits of types A and D via Hamiltonian reduction
Affine closure of T*O_n in sl_n is isomorphic via C*-Hamiltonian reduction to the minimal nilpotent orbit closure in so_{2n+2}, and has no symplectic resolution.
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Minimal-Degree Foliations on Cominuscule Grassmannians
Minimal l(p) for non-vanishing twisted p-forms on cominuscule Grassmannians is computed, showing degree-zero codim-1 foliations are pencils of hyperplanes and providing new high-codim examples.