Formula:KLS:14.25:17

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lim N K n qtm ( x ; a - 1 q - N - 1 , N ; q ) = ( - 1 a ) n q \binomial n 2 V n ( a ) ( x ; q ) subscript 𝑁 quantum-q-Krawtchouk-polynomial-K 𝑛 𝑥 superscript 𝑎 1 superscript 𝑞 𝑁 1 𝑁 𝑞 superscript 1 𝑎 𝑛 superscript 𝑞 \binomial 𝑛 2 q-Al-Salam-Carlitz-II-polynomial-V 𝑎 𝑛 𝑥 𝑞 {\displaystyle{\displaystyle{\displaystyle\lim_{N\rightarrow\infty}K^{\mathrm{% qtm}}_{n}\!\left(x;a^{-1}q^{-N-1},N;q\right)=\left(-\frac{1}{a}\right)^{n}q^{% \binomial{n}{2}}V^{(a)}_{n}\!\left(x;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
( 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
V α ( n ) subscript superscript 𝑉 𝑛 𝛼 {\displaystyle{\displaystyle{\displaystyle V^{(n)}_{\alpha}}}}  : Al-Salam-Carlitz II polynomial : http://drmf.wmflabs.org/wiki/Definition:AlSalamCarlitzII

Bibliography

Equation in Section 14.25 of KLS.

URL links

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