We consider a Sobolev inner product such as (1)(f,g) S =∫f(x)g(x)dμ 0 (x)+λ∫f'(x)g'(x)dμ 1 (x),λ>0,with (μ 0 ,μ 1 ) being a symmetrically coherent pair of measures with unbounded support. Denote by Q n the orthogonal polynomials with respect to (1) and they are so-called Hermite-Sobolev orthogonal polynomials. We give a Mehler-Heine-type formula for...
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