main

prev        

Statement of a problem № m509

        next    

If M C R n is an orientable (n - 1)-dimensional manifold, show that there is an open set A C Rn and a differentiable g: A-> R1 so that M = g-1 (0) and g1 (x) has rank 1 for x ЄM.




New search. (Also 1294 free access solutions)

Online calculators