ABSTRACT
D A subset Vof K' is a submanifold ofK', of dimension m (~n) and of class Cl if, for every XE V, there exists an open Ux; of RR containing x and a Cl diffeomorphism g of U" onto the open g(Ux;) of It' such that
Figure 20.
D A subset Vof K' is a submanifold ofK', of dimension m (~n) and of class Cl if, for every XE V, there exists an open Ux; of RR containing x and a Cl diffeomorphism g of U" onto the open g(Ux;) of It' such that
Figure 20.