The k-Binomial Transforms and the Hankel Transform
The k-Binomial Transforms and the Hankel Transform
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发表时间:
2006
影响因子:
0.5
通讯作者:
Michael Z. Spivey;Laura Steil
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作者:
Michael Z. Spivey;Laura Steil
We give a new proof of the invariance of the Hankel transform under the binomial transform of a sequence. Our method of proof leads to three variations of the binomial transform; we call these the k-binomial transforms. We give a simple means of constructing these transforms via a triangle of numbers. We show how the exponential generating function of a sequence changes after our transforms are applied, and we use this to prove that several sequences in the On-Line Encyclopedia of Integer Sequencesarerelatedviaourtransforms. Intheprocess,weprovethreeconjecturesin theOEIS.AddressingaquestionofLayman,wethenshowthattheHankeltransform of a sequence is invariant under one of our transforms, and we show how the Hankel transform changes after the other two transforms are applied. Finally, we use these results to determine the Hankel transforms of severalinteger sequences.