In this paper, we present explicit actions of braid group on the universal enveloping superalgebra U(qₙ) and the quantum queer superalgebra U_\!v(qₙ). Then we provide a new definition of root vectors and some explicit expression for them. With these procedures, we obtain the PBW-type basis containing the product of root vectors.
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Chen et al. (2024) studied this question.
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