(1) Departament de Matemàtiques, Universitat Autònoma de Barcelona, 08193 Bellaterra Barcelona, Spain;(2) Department of Applied Mathematics, Shanghai Jiaotong University, 200030 Shanghai, P.R. China
Abstract:
In this paper we extend the Darboux theory of integrability in ℝn to the regular algebraic hypersurfaces. Then we apply the extended theory first to the 3-dimensional generalized cylinders ×ℝ3−r of ℝ4 forr=0, 1, 2, 3; and after to then-dimensional sphere of ℝn+1.