Weighted Sobolev orthogonal polynomials on the unit ball

For the weight function W"@m(x)=(1-|x|^2)^@m, @m>-1, @l>0 and b"@m a normalizing constant, a family of mutually orthogonal polynomials on the unit ball with respect to the inner product =b"@m[@!"B"^"df(x)g(x)W"@m(x)dx+@l@!"B"^"d@?f(x)@?@?g(x)W"@m(x)dx] are constructed in terms of spherical harmonics and a sequence of Sobolev orthogonal polynomials of one variable. The latter ones, hence, the orthogonal polynomials with respect to , can be generated through a recursive formula.