Gold 50

9-j symbol

Gold ID: 50
Link: https://sigir21.wmflabs.org/wiki/9-j_symbol#math.101.32
Formula: $\sum _{j_{7}j_{8}}(2j_{7}+1)(2j_{8}+1){\begin{Bmatrix}j_{1}&j_{2}&j_{3}\\j_{4}&j_{5}&j_{6}\\j_{7}&j_{8}&j_{9}\end{Bmatrix}}{\begin{Bmatrix}j_{1}&j_{2}&j_{3}'\\j_{4}&j_{5}&j_{6}'\\j_{7}&j_{8}&j_{9}\end{Bmatrix}}={\frac {\delta _{j_{3}j_{3}'}\delta _{j_{6}j_{6}'}{\begin{Bmatrix}j_{1}&j_{2}&j_{3}\end{Bmatrix}}{\begin{Bmatrix}j_{4}&j_{5}&j_{6}\end{Bmatrix}}{\begin{Bmatrix}j_{3}&j_{6}&j_{9}\end{Bmatrix}}}{(2j_{3}+1)(2j_{6}+1)}}$
TeX Source: \sum_{j_7 j_8} (2j_7+1)(2j_8+1) \begin{Bmatrix} j_1 & j_2 & j_3\\ j_4 & j_5 & j_6\\ j_7 & j_8 & j_9 \end{Bmatrix} \begin{Bmatrix} j_1 & j_2 & j_3'\\ j_4 & j_5 & j_6'\\ j_7 & j_8 & j_9 \end{Bmatrix} = \frac{\delta_{j_3j_3'}\delta_{j_6j_6'} \begin{Bmatrix} j_1 & j_2 & j_3 \end{Bmatrix} \begin{Bmatrix} j_4 & j_5 & j_6\end{Bmatrix} \begin{Bmatrix} j_3 & j_6 & j_9 \end{Bmatrix}} {(2j_3+1)(2j_6+1)}

Translation Results
Semantic LaTeX	Mathematica Translation	Maple Translations
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Translation: \sum_{j_7 j_8}(2 j_7 + 1)(2 j_8 + 1) \Wignersixjsym{j_1}{j_2}{j_3}{j_4}{j_5}{j_6} \Wignersixjsym{j_1}{j_2}{j_3'}{j_4}{j_5}{j_6'} = \frac{\delta_{j_3j_3'}\delta_{j_6j_6'} \begin{Bmatrix} j_1 & j_2 & j_3 \end{Bmatrix} \begin{Bmatrix} j_4 & j_5 & j_6\end{Bmatrix} \begin{Bmatrix} j_3 & j_6 & j_9 \end{Bmatrix}} {(2j_3+1)(2j_6+1)}
Expected (Gold Entry): \sum_{j_7 j_8} (2j_7+1)(2j_8+1) \Wignerninejsym{j_1}{j_2}{j_3}{j_4}{j_5}{j_6}{j_7}{j_8}{j_9} \Wignerninejsym{j_1}{j_2}{j_3'}{j_4}{j_5}{j_6'}{j_7}{j_8}{j_9} = \frac{\delta_{j_3j_3'}\delta_{j_6j_6'} \begin{Bmatrix} j_1 & j_2 & j_3 \end{Bmatrix} \begin{Bmatrix} j_4 & j_5 & j_6\end{Bmatrix} \begin{Bmatrix} j_3 & j_6 & j_9 \end{Bmatrix}}{(2j_3+1)(2j_6+1)}