appell sequence

Questions

What does appell sequence mean?

Any polynomial sequence p_n(x)_(n=0,1,2,…) satisfying the identity d/(dx)p_n(x)=np_n-1(x), and in which p_0(x) is a non-zero constant.

Where does appell sequence come from?

Named after Paul Émile Appell.

How to pronounce appell sequence

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