Equation Icon  ℋsharp = K + ∑ Θ (− 2s (β )) + ∑ Θ(− 2α (β)) ji ijk ∑ i<j i⁄=j,i⁄=k,j∑⁄=k + Θ (− 2ei⋅⋅⋅i(β)) + Θ (− 2mi ⋅⋅⋅i (β )), (2.41 ) i <i< ⋅⋅⋅<i 1 p i <i< ⋅⋅⋅<i 1 p+1 1 2 p 1 2 p+1