Matching Tag: nilpotent-varieties
Binary-operation conjecture. π ( C 1 ∗ C 2 ) \pi(C_1*C_2) π ( C 1 ∗ C 2 ) is a subrepresentation of π ( C 1 ) × π ( C 2 ) \pi(C_1)\times\pi(C_2) π ( C 1 ) × π ( C 2 ) . In particular, if π ( C 1 ) \pi(C_1) π ( C 1 ) or π ( C 2 ) \pi(C_2) π ( C 2 ) is □ \square □ -irreducible, then
Reducedness conjecture. The scheme N ‾ \overline N N is reduced. This reducedness assertion is used to identify the special fiber of the canonical flat model and to establish its norma…
Let C i ∈ Comp ( d i ) C_i\in\operatorname{Comp}(\bm{d}_i) C i ∈ Comp ( d i ) for i = 1 , … , k i=1,\dots,k i = 1 , … , k , let V = V 1 ⊕ ⋯ ⊕ V k V=V^1\oplus\cdots\oplus V^k V = V 1 ⊕ ⋯ ⊕ V k , and let C ∈ Comp ( V ) C\in\operatorname{Comp}(V) C ∈ Comp ( V ) . Let π ( C ) \pi(C) π ( C ) denote the irreducible representa…
Let C i ∈ Comp ( d i ) C_i\in\operatorname{Comp}(\bm{d}_i) C i ∈ Comp ( d i ) for i = 1 , 2 i=1,2 i = 1 , 2 , and suppose that at least one of C 1 , C 2 C_1,C_2 C 1 , C 2 is rigid, meaning that it contains an open orbit. Let π ( C i ) \pi(C_i) π ( C i ) be the correspond…
Monotonicity conjecture. If C r ( N n ) C_r(\mathcal{N}_n) C r ( N n ) is reducible, then C r ( N n + 1 ) C_r(\mathcal{N}_{n+1}) C r ( N n + 1 ) is reducible.