Equation Icon  [dim𝔥 ] ⌊ ⌋ ∑ μ ∨ ∑ ∑mα [s] [s] 𝒱(t) = Exp β (t)αμ Exp ⌈ ξα (t)E α ⌉ ∈ 𝒢 ∕𝒦 (𝒢 ). (9.75 ) μ=1 α∈Δ+ s=1