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Irreducible tensor product modules over the W-algebra W(2,2)

    https://doi.org/10.1142/S0219498826501422Cited by:0 (Source: Crossref)

    In this paper, we construct a class of non-weight modules Ω(λ,α,h)Ind(V) over the W-algebra W(2,2) by taking tensor products of modules Ω(λ,α,h) with restricted modules Ind(V). Then, we give the necessary and sufficient conditions for the irreducibility of such tensor product modules and determine the conditions under which two irreducible tensor product modules are isomorphic. These non-weight modules are different from known non-weight modules. Finally, we transform some tensor product modules into induced modules from modules of certain subalgebras over the W-algebra W(2,2). And the conditions for these induced modules to be irreducible are determined by applying the established results.

    Communicated by V. Futorny

    AMSC: 17B10, 17B65, 17B67, 17B68