Formula:KLS:14.10:34

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P n ( x ; a | q ) := 1 ( q ; q ) n p n ( x ; a e i ϕ , 0 , a e - i ϕ , 0 | q ) ( x = cos ( θ + ϕ ) ) fragments q-Meixner-Pollaczek-polynomial-P 𝑛 𝑥 𝑎 𝑞 assign 1 q-Pochhammer-symbol 𝑞 𝑞 𝑛 Askey-Wilson-polynomial-p 𝑛 𝑥 𝑎 imaginary-unit italic-ϕ 0 𝑎 imaginary-unit italic-ϕ 0 𝑞 fragments ( x 𝜃 italic-ϕ ) {\displaystyle{\displaystyle{\displaystyle P_{n}\!\left(x;a|q\right):=\frac{1}% {\left(q;q\right)_{n}}p_{n}\!\left(x;a{\mathrm{e}^{\mathrm{i}\phi}},0,a{% \mathrm{e}^{-\mathrm{i}\phi}},0\,|\,q\right)(x=\cos\left(\theta+\phi\right))}}}

Proof

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Symbols List

P n subscript 𝑃 𝑛 {\displaystyle{\displaystyle{\displaystyle P_{n}}}}  : q 𝑞 {\displaystyle{\displaystyle{\displaystyle q}}} -Meixner-Pollaczek polynomial : http://drmf.wmflabs.org/wiki/Definition:qMeixnerPollaczek
( a ; q ) n subscript 𝑎 𝑞 𝑛 {\displaystyle{\displaystyle{\displaystyle(a;q)_{n}}}}  : q 𝑞 {\displaystyle{\displaystyle{\displaystyle q}}} -Pochhammer symbol : http://dlmf.nist.gov/5.18#i http://dlmf.nist.gov/17.2#SS1.p1
p n subscript 𝑝 𝑛 {\displaystyle{\displaystyle{\displaystyle p_{n}}}}  : Askey-Wilson polynomial : http://dlmf.nist.gov/18.28#E1
e e {\displaystyle{\displaystyle{\displaystyle\mathrm{e}}}}  : the base of the natural logarithm : http://dlmf.nist.gov/4.2.E11
i i {\displaystyle{\displaystyle{\displaystyle\mathrm{i}}}}  : imaginary unit : http://dlmf.nist.gov/1.9.i
cos cos {\displaystyle{\displaystyle{\displaystyle\mathrm{cos}}}}  : cosine function : http://dlmf.nist.gov/4.14#E2

Bibliography

Equation in Section 14.10 of KLS.

URL links

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