Equation Icon  | μ ∨ 1 ∑ ∑mα α(β) [s] ( [s] [s]) 𝒫0(t) ≡ 𝒫(t)|ht≤¯h = ∂ β (t)αμ + -- e ℜ α (t) E α + E− α , (9.99 ) 2 α∈Δ+ s=1 ht(α)≤¯h