Formula:KLS:14.14:24

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K n qtm ( q x ; p , N ; q - 1 ) = ( p - 1 q ; q ) n ( - p q ) n q - \binomial n 2 K n Aff ( q x - N ; p - 1 , N ; q ) quantum-q-Krawtchouk-polynomial-K 𝑛 superscript 𝑞 𝑥 𝑝 𝑁 superscript 𝑞 1 q-Pochhammer-symbol superscript 𝑝 1 𝑞 𝑞 𝑛 superscript 𝑝 𝑞 𝑛 superscript 𝑞 \binomial 𝑛 2 affine-q-Krawtchouk-polynomial-K 𝑛 superscript 𝑞 𝑥 𝑁 superscript 𝑝 1 𝑁 𝑞 {\displaystyle{\displaystyle{\displaystyle K^{\mathrm{qtm}}_{n}\!\left(q^{x};p% ,N;q^{-1}\right)=\left(p^{-1}q;q\right)_{n}\left(-\frac{p}{q}\right)^{n}q^{-% \binomial{n}{2}}K^{\mathrm{Aff}}_{n}\!\left(q^{x-N};p^{-1},N;q\right)}}}

Proof

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Symbols List

K n qtm subscript superscript 𝐾 qtm 𝑛 {\displaystyle{\displaystyle{\displaystyle K^{\mathrm{qtm}}_{n}}}}  : quantum q 𝑞 {\displaystyle{\displaystyle{\displaystyle q}}} -Krawtchouk polynomial : http://drmf.wmflabs.org/wiki/Definition:qtmqKrawtchouk
( 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
( n k ) binomial 𝑛 𝑘 {\displaystyle{\displaystyle{\displaystyle\genfrac{(}{)}{0.0pt}{}{n}{k}}}}  : binomial coefficient : http://dlmf.nist.gov/1.2#E1 http://dlmf.nist.gov/26.3#SS1.p1
K n Aff subscript superscript 𝐾 Aff 𝑛 {\displaystyle{\displaystyle{\displaystyle K^{\mathrm{Aff}}_{n}}}}  : affine q 𝑞 {\displaystyle{\displaystyle{\displaystyle q}}} -Krawtchouk polynomial : http://drmf.wmflabs.org/wiki/Definition:AffqKrawtchouk

Bibliography

Equation in Section 14.14 of KLS.

URL links

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