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Abstract We construct the (β -deformed) partition function hierarchies with W -representations. Based on the W -representations, we analyze the superintegrability property and derive their character expansions with respect to the Schur functions and Jack polynomials, respectively. Some well known superintegrable matrix models such as the Gaussian hermitian one-matrix model (in the external field), N N N×N complex matrix model, β -deformed Gaussian hermitian and rectangular complex matrix models are contained in the constructed hierarchies.
Wang et al. (Wed,) studied this question.