Transformations Preserving the Hankel Transform
Christopher French
Department of Mathematics and Statistics
Grinnell College
Grinnell, IA 50112
USA
Abstract:
We classify all polynomial transformations of integer sequences which
preserve the Hankel transform, thus generalizing examples due to Layman
and Spivey & Steil. We also show that such transformations form a
group under composition.
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Received April 20 2007;
revised version received June 20 2007.
Published in Journal of Integer Sequences, July 4 2007.
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