Formula:KLS:14.07:04

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- ( 1 - q - x ) ( 1 - γ δ q x + 1 ) R n ( μ ( x ) ) q = A n R n + 1 ( μ ( x ) ) q - ( A n + C n ) R n ( μ ( x ) ) q + C n R n - 1 ( μ ( x ) ) q 1 superscript 𝑞 𝑥 1 𝛾 𝛿 superscript 𝑞 𝑥 1 dual-q-Hahn-R 𝑛 𝜇 𝑥 𝛾 𝛿 𝑁 𝑞 subscript 𝐴 𝑛 dual-q-Hahn-R 𝑛 1 𝜇 𝑥 𝛾 𝛿 𝑁 𝑞 subscript 𝐴 𝑛 subscript 𝐶 𝑛 dual-q-Hahn-R 𝑛 𝜇 𝑥 𝛾 𝛿 𝑁 𝑞 subscript 𝐶 𝑛 dual-q-Hahn-R 𝑛 1 𝜇 𝑥 𝛾 𝛿 𝑁 𝑞 {\displaystyle{\displaystyle{\displaystyle-\left(1-q^{-x}\right)\left(1-\gamma% \delta q^{x+1}\right)R_{n}\!\left(\mu(x)\right){q}{}=A_{n}R_{n+1}\!\left(\mu(x% )\right){q}-\left(A_{n}+C_{n}\right)R_{n}\!\left(\mu(x)\right){q}+C_{n}R_{n-1}% \!\left(\mu(x)\right){q}}}}

Substitution(s)

μ ( x ) = q - x + γ δ q x + 1 = q - x + q x + γ + δ + 1 = q - x + γ δ q x + 1 𝜇 𝑥 superscript 𝑞 𝑥 𝛾 𝛿 superscript 𝑞 𝑥 1 superscript 𝑞 𝑥 superscript 𝑞 𝑥 𝛾 𝛿 1 superscript 𝑞 𝑥 𝛾 𝛿 superscript 𝑞 𝑥 1 {\displaystyle{\displaystyle{\displaystyle\mu(x)=q^{-x}+\gamma\delta q^{x+1}=q% ^{-x}+q^{x+\gamma+\delta+1}=q^{-x}+\gamma\delta q^{x+1}}}} &

μ ( n ) = q - n + α β q n + 1 𝜇 𝑛 superscript 𝑞 𝑛 𝛼 𝛽 superscript 𝑞 𝑛 1 {\displaystyle{\displaystyle{\displaystyle\mu(n)=q^{-n}+\alpha\beta q^{n+1}}}} &
C n = γ q ( 1 - q n ) ( δ - q n - N - 1 ) subscript 𝐶 𝑛 𝛾 𝑞 1 superscript 𝑞 𝑛 𝛿 superscript 𝑞 𝑛 𝑁 1 {\displaystyle{\displaystyle{\displaystyle C_{n}=\gamma q\left(1-q^{n}\right)% \left(\delta-q^{n-N-1}\right)}}} &
A n = ( 1 - q n - N ) ( 1 - γ q n + 1 ) subscript 𝐴 𝑛 1 superscript 𝑞 𝑛 𝑁 1 𝛾 superscript 𝑞 𝑛 1 {\displaystyle{\displaystyle{\displaystyle A_{n}=\left(1-q^{n-N}\right)\left(1% -\gamma q^{n+1}\right)}}} &
μ ( x ) := q - x + γ δ q x + 1 assign 𝜇 𝑥 superscript 𝑞 𝑥 𝛾 𝛿 superscript 𝑞 𝑥 1 {\displaystyle{\displaystyle{\displaystyle\mu(x):=q^{-x}+\gamma\delta q^{x+1}}}} &
μ ( x ) = q - x + γ δ q x + 1 = q - x + q x + γ + δ + 1 = q - x + γ δ q x + 1 𝜇 𝑥 superscript 𝑞 𝑥 𝛾 𝛿 superscript 𝑞 𝑥 1 superscript 𝑞 𝑥 superscript 𝑞 𝑥 𝛾 𝛿 1 superscript 𝑞 𝑥 𝛾 𝛿 superscript 𝑞 𝑥 1 {\displaystyle{\displaystyle{\displaystyle\mu(x)=q^{-x}+\gamma\delta q^{x+1}=q% ^{-x}+q^{x+\gamma+\delta+1}=q^{-x}+\gamma\delta q^{x+1}}}} &

μ ( n ) = q - n + α β q n + 1 𝜇 𝑛 superscript 𝑞 𝑛 𝛼 𝛽 superscript 𝑞 𝑛 1 {\displaystyle{\displaystyle{\displaystyle\mu(n)=q^{-n}+\alpha\beta q^{n+1}}}}


Proof

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Symbols List

& : logical and
R n subscript 𝑅 𝑛 {\displaystyle{\displaystyle{\displaystyle R_{n}}}}  : dual q 𝑞 {\displaystyle{\displaystyle{\displaystyle q}}} -Hahn polynomial : http://drmf.wmflabs.org/wiki/Definition:dualqHahn

Bibliography

Equation in Section 14.7 of KLS.

URL links

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