Formula:KLS:14.07:19

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w ( x ; γ , δ , N | q ) R n ( μ ( x ) ; γ , δ , N ) q = ( 1 - q ) n ( γ δ q ; q ) n ( μ ) n [ w ( x ; γ q n , δ , N - n | q ) ] 𝑤 𝑥 𝛾 𝛿 conditional 𝑁 𝑞 dual-q-Hahn-R 𝑛 𝜇 𝑥 𝛾 𝛿 𝑁 𝑞 superscript 1 𝑞 𝑛 q-Pochhammer-symbol 𝛾 𝛿 𝑞 𝑞 𝑛 superscript subscript 𝜇 𝑛 delimited-[] 𝑤 𝑥 𝛾 superscript 𝑞 𝑛 𝛿 𝑁 conditional 𝑛 𝑞 {\displaystyle{\displaystyle{\displaystyle w(x;\gamma,\delta,N|q)R_{n}\!\left(% \mu(x);\gamma,\delta,N\right){q}{}=(1-q)^{n}\left(\gamma\delta q;q\right)_{n}% \left(\nabla_{\mu}\right)^{n}\left[w(x;\gamma q^{n},\delta,N-n|q)\right]}}}

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}}}} &
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
( 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

Bibliography

Equation in Section 14.7 of KLS.

URL links

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