摘要
We give a recursive algorithm to compute the multivariable Zassenhaus formula e^X1+X2+…+Xn=e^X1eX2…e^Xn∏∞k=2e^Wk and derive an effective recursion formula of Wk.
基金
the National Natural Science Foundation of China (Grant No. 11531004)
Simons Foundation (Grant No. 523868).