Robuta

https://arxiv.org/abs/quant-ph/0412211 [quant-ph/0412211] Time Dependent Quadratic Hamiltonians,SU(1,1), SU(2), SU(2,1) and SU(3) Abstract page for arXiv paper quant-ph/0412211: Time Dependent Quadratic Hamiltonians,SU(1,1), SU(2), SU(2,1) and SU(3)