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- Title
Quantum Racah matrices and 3-strand braids in irreps R with | R| = 4.
- Authors
Mironov, A.; Morozov, A.; Morozov, An.; Sleptsov, A.
- Abstract
We describe the inclusive Racah matrices for the first non-(anti)symmetric rectangular representation R = [2, 2] for quantum groups U ( sl ). Most of them have sizes 2, 3, and 4 and are fully described by the eigenvalue hypothesis. Of two 6 × 6 matrices, one is also described in this way, but the other one corresponds to the case of degenerate eigenvalues and is evaluated by the highest weight method. Together with the much harder calculation for R = [3, 1] and with the new method to extract exclusive matrices J and $$\overline J$$ from the inclusive ones, this completes the story of Racah matrices for | R| ≤ 4 and allows one to calculate and investigate the corresponding colored HOMFLY polynomials for arbitrary 3-strand and arborescent knots.
- Subjects
RACAH algebra; BRAID theory; QUANTUM groups; EIGENVALUES; POLYNOMIALS
- Publication
JETP Letters, 2016, Vol 104, Issue 1, p56
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364016130038