The restricted Toda chain, exponential Riordan arrays, and Hankel transforms
J. Integer Seq. 13(8), Article ID 10.8.4, 19 p., electronic only (2010)
Summary
Summary: We re-interpret results on the classification of Toda chain solutions given by Sheffer class orthogonal polynomials in terms of exponential Riordan arrays. We also examine associated Hankel transforms.
