Geodesic
Transformations preserving the Hankel transform
Journal of integer sequences, Tome 10 (2007) no. 7
Zbl   EuDML
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.
Keywords: Hankel transform, binomial transform 
French,  Christopher. Transformations preserving the Hankel transform. Journal of integer sequences, Tome 10 (2007) no. 7. http://geodesic.mathdoc.fr/item/JIS_2007__10_7_a6/
@article{JIS_2007__10_7_a6,
     author = {French,  Christopher},
     title = {Transformations preserving the {Hankel} transform},
     journal = {Journal of integer sequences},
     year = {2007},
     volume = {10},
     number = {7},
     zbl = {1146.11012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2007__10_7_a6/}
}
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