3j,6j,9j symbols
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11: 34.10 Zeros
§34.10 Zeros
… ►Similarly the symbol (34.4.1) vanishes when the triangle conditions are not satisfied by any of the four symbols in the summation. …However, the and symbols may vanish for certain combinations of the angular momenta and projective quantum numbers even when the triangle conditions are fulfilled. Such zeros are called nontrivial zeros. ►For further information, including examples of nontrivial zeros and extensions to symbols, see Srinivasa Rao and Rajeswari (1993, pp. 133–215, 294–295, 299–310).12: 34.13 Methods of Computation
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►Methods of computation for and
symbols include recursion relations, see Schulten and Gordon (1975a), Luscombe and Luban (1998), and Edmonds (1974, pp. 42–45, 48–51, 97–99); summation of single-sum expressions for these symbols, see Varshalovich et al. (1988, §§8.2.6, 9.2.1) and Fang and Shriner (1992); evaluation of the generalized hypergeometric functions of unit argument that represent these symbols, see Srinivasa Rao and Venkatesh (1978) and Srinivasa Rao (1981).
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13: 16.7 Relations to Other Functions
14: 16.4 Argument Unity
15: 34.8 Approximations for Large Parameters
§34.8 Approximations for Large Parameters
►For large values of the parameters in the , , and symbols, different asymptotic forms are obtained depending on which parameters are large. … ►For approximations for the , , and symbols with error bounds see Flude (1998), Chen et al. (1999), and Watson (1999): these references also cite earlier work.16: 10.59 Integrals
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10.59.1
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17: 10.54 Integral Representations
18: 34.6 Definition: Symbol
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►The
symbol may be defined either in terms of
symbols or equivalently in terms of
symbols:
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34.6.1
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34.6.2
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19: Software Index
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34 3j, 6j, 9j Symbols | |||||||||||||||||||||||||
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