Is there anyone have studied about Taylor series expansion- and least square-based lattice Boltzmann method?

Is there anyone have studied about Taylor series expansion- and least square-based lattice Boltzmann method(TLLBM)?
I am studying this method now and meeting some problem.If you have studied,I do need your help.My email is 185531937@qq.com
Thanks in advanced.
gongyouliang 2009-01-03