Index – U union() (sage.schemes.curves.curve.Curve_generic method) upper_triangular_matrix() (sage.schemes.plane_conics.con_field.ProjectiveConic_field method) upstairs_edges() (sage.schemes.riemann_surfaces.riemann_surface.RiemannSurface method) upstairs_graph() (sage.schemes.riemann_surfaces.riemann_surface.RiemannSurface method)
Index – U union() (sage.schemes.curves.curve.Curve_generic method) upper_triangular_matrix() (sage.schemes.plane_conics.con_field.ProjectiveConic_field method) upstairs_edges() (sage.schemes.riemann_surfaces.riemann_surface.RiemannSurface method) upstairs_graph() (sage.schemes.riemann_surfaces.riemann_surface.RiemannSurface method)