We prove that the tensor product of a simple and a finite dimensional $${\mathfrak {sl}}_n$$ sl n -module has finite type socle. This is applied to reduce classification of simple… Click to show full abstract
We prove that the tensor product of a simple and a finite dimensional $${\mathfrak {sl}}_n$$ sl n -module has finite type socle. This is applied to reduce classification of simple $${\mathfrak {q}}(n)$$ q ( n ) -supermodules to that of simple $${\mathfrak {sl}}_n$$ sl n -modules. Rough structure of simple $${\mathfrak {q}}(n)$$ q ( n ) -supermodules, considered as $${\mathfrak {sl}}_n$$ sl n -modules, is described in terms of the combinatorics of category $${\mathcal {O}}$$ O .
               
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