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Another proof of the triple sum formula for Wigner $$9j$$-symbols. (English) Zbl 0967.81032
Summary: We give a simple proof of the Ališauskas-Jucys triple sum formula for Wigner $$9j$$-symbols.

MSC:
 81R05 Finite-dimensional groups and algebras motivated by physics and their representations 33C80 Connections of hypergeometric functions with groups and algebras, and related topics
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References:
 [1] DOI: 10.1063/1.532634 · Zbl 0935.81036 · doi:10.1063/1.532634 [2] DOI: 10.1063/1.1665626 · Zbl 0214.28902 · doi:10.1063/1.1665626 [3] DOI: 10.1063/1.1665587 · Zbl 0205.07504 · doi:10.1063/1.1665587 [4] DOI: 10.1143/JPSJ.58.2677 · doi:10.1143/JPSJ.58.2677
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