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A Holstein-Primakoff and a Dyson realization for the quantum algebra
The known Holstein-Primakoff and Dyson realizations of the Lie algebra
in terms of Bose operators (Okubo S 1975 J. Math. Phys. 16
528) are generalized to the class of the quantum algebras for
any . It is shown how the elements of can be expressed via
pairs of Bose creation and annihilation operators.Comment: 5 pages, Te