The Drinfeld stratification cohomology conjecture
Drinfeld stratification conjecture. If R0+⊂R(S,L)R_{0+}\subset R(\mathbf{S},\mathbf{L})R0+⊂R(S,L) (or, equivalently, G0(S,θ)⊂L\mathbf{G}^{0}(\mathbf{S},\theta)\subset\mathbf{L}G0(S,θ)⊂L), then