6 problems
Separating-set conjecture. The following are equivalent:
Let be a parabolic contraction, and let be the semigroup of weights of its semi-invariant algebra…
Let be a standard parabolic contraction in type , and let denote its algebra of semi-invariant…
Factorization conjecture. There is a decomposition
Let be a parabolic contraction in type , and let denote its canonical truncation. Write…
Generation conjecture for orthogonal semi-invariants. The ring is generated by the semi-invariants