Formula:KLS:14.10:78

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1 - β z 2 1 - z 2 C n [ q 1 2 z ; β | q ] + 1 - β z - 2 1 - z - 2 C n [ q - 1 2 z ; β | q ] = ( q - 1 2 n + q 1 2 n β ) C n [ z ; β | q ] 1 𝛽 superscript 𝑧 2 1 superscript 𝑧 2 continuous-q-ultraspherical-Rogers-polynomial-exponential-argument 𝑛 superscript 𝑞 1 2 𝑧 𝛽 𝑞 1 𝛽 superscript 𝑧 2 1 superscript 𝑧 2 continuous-q-ultraspherical-Rogers-polynomial-exponential-argument 𝑛 superscript 𝑞 1 2 𝑧 𝛽 𝑞 superscript 𝑞 1 2 𝑛 superscript 𝑞 1 2 𝑛 𝛽 continuous-q-ultraspherical-Rogers-polynomial-exponential-argument 𝑛 𝑧 𝛽 𝑞 {\displaystyle{\displaystyle{\displaystyle\frac{1-\beta z^{2}}{1-z^{2}}C_{n}\!% \left[q^{\frac{1}{2}}z;\beta\,|\,q\right]+\frac{1-\beta z^{-2}}{1-z^{-2}}C_{n}% \!\left[q^{-\frac{1}{2}}z;\beta\,|\,q\right]=(q^{-\frac{1}{2}n}+q^{\frac{1}{2}% n}\beta)C_{n}\!\left[z;\beta\,|\,q\right]}}}

Proof

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Symbols List

C n subscript 𝐶 𝑛 {\displaystyle{\displaystyle{\displaystyle C_{n}}}}  : continuous q 𝑞 {\displaystyle{\displaystyle{\displaystyle q}}} -ultraspherical/Rogers polynomial exponential argument : http://drmf.wmflabs.org/wiki/Definition:ctsqUltrae

Bibliography

Equation in Section 14.10 of KLS.

URL links

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