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On polynomials of Sheffer type arising from a Cauchy problem

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  • D. G. Meredith

Abstract

A new sequence of eigenfunctions is developed and studied in depth. These theta polynomials are derived from a recent analytic solution of the canonical Cauchy problem for parabolic equations, namely, the inverse heat conduction problem. By appealing to the methods of the operator calculus, it is possible to categorize the new functions as polynomials of binomial and Sheffer types. The connection of the new set with the classical polynomials of Laguerre is carefully examined. Some integral relations involving the Laguerre polynomials and the theta polynomials are presented along with a number of binomial identities. The inverse heat conduction problem is revisited and an analytic solution depending on the generalized theta polynomials is presented.

Suggested Citation

  • D. G. Meredith, 2003. "On polynomials of Sheffer type arising from a Cauchy problem," International Journal of Mathematics and Mathematical Sciences, Hindawi, vol. 2003, pages 1-19, January.
    • Handle: RePEc:hin:jijmms:405027
    DOI: 10.1155/S0161171203207080
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