To be or not to be Yutsis: Algorithms for the decision problem

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Van Dyck, D; Brinkmann, Gunnar; Fack, Veerle; McKay, Brendan
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Generalized recoupling coefficients or 3njcoefficients can be expressed as multiple sums over products of Racah or 6jcoefficients [L.C. Biedenharn, J.D. Louck, Coupling of n angular momenta: recoupling theory, in: The RacahWigner Algebra in Quantum Theory, Encyclopedia of Mathematics and its Applications, vol. 9, AddisonWesley, 1981, pp. 435481]. The problem of finding an optimal summation formula (i.e. with a minimal number of Racah coefficients) for a given 3njcoefficient is equivalent...[Show more]
Collections  ANU Research Publications 

Date published:  2005 
Type:  Journal article 
URI:  http://hdl.handle.net/1885/83613 
Source:  Computer Physics Communications 
DOI:  10.1016/j.cpc.2005.07.008 
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