Equation Icon  ∘-------------- − det(𝒢 + ℱ )𝜖 = [1 + Γ aΓ 0∂ay(cosα τ3 + sinα τ1) − Γ aΓ 0τ3F0a ab a +Γ F0a∂by(cosα τ3 + sinα τ1) − Γ Γ 0Ba τ1 +Ba ∂ay (cos ατ3 + sin ατ1) + BaF0ai τ2]. (321 )