Equation Icon  --- 𝔰𝔭(p,q) = {X ∈ 𝔤𝔩(p + q,ℍ )|X Ip,q + Ip,q X = 0 }, t 𝔰𝔭(n,ℝ ) = {X ∈ 𝔤𝔩(2 n,ℝ )|X- Jn + Jn X = 0}, (6.124 ) 𝔰𝔩(n,ℍ ) = {X ∈ 𝔤𝔩(n, ℍ)|X + X = 0}, 𝔰𝔬∗(2n ) = {X ∈ 𝔰𝔲(n,n)|Xt K + K X = 0}. n n