Equation Icon  [ ] [ ]T [ ] HT 𝕃 1 † ----1----- † 1 † 1 † -----[-0]- ψ ψ = || [1 ]||2, ϕ ϕ = 0 𝕃𝕃 0 , ψ ϕ = 0 (553 ) ||H 𝕃 || HT 𝕃 1 0