摘要Ⅰ. DEFINITION OF MINIMAL CHARACTERISTIC BASISLet K be a field of characteristic zero, and X1,…, Xn be variables fixed in what follows. Let K{X1,…, Xn} be the set of differential polynomials (abbr. dpols ) in X1,…,Xn.
6LEI ChunLin 1 & FANG MingLiang 2, 1 Department of Applied Mathematics, South China Agricultural University, Guangzhou 510642, China,2 Institute of Applied Mathematics, South China Agricultural University, Guangzhou 510642, China.Normality and shared values concerning differential polynomials[J].Science China Mathematics,2010,53(3):749-754. 被引量:8