58-XX Global analysis, analysis on manifolds [See also 32Cxx, 32Fxx, 32Wxx, 46-XX, 53Cxx] {For nonlinear operators, see 47Hxx; for geometric integration theory, see 49Q15} 68705

58Jxx Partial differential equations on manifolds; differential operators [See also 32Wxx, 35-XX, 53Cxx] 25837

58J72 Correspondences and other transformation methods (e.g., Lie-BĂ¤cklund) for PDEs on manifolds [See also 35A22] 838