Virasoro-type reduction and inverse Hamiltonian reduction are established for height-two W-algebras in classical Lie types and for the universal W∞-algebra W^{sp}_∞.
A Realisation of th e Bershadsky–Polyakov Algebras and Their Relaxed Modules
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On Virasoro-type reductions and inverse Hamiltonian reductions for $W$-algebras and $W_\infty$-algebras
Virasoro-type reduction and inverse Hamiltonian reduction are established for height-two W-algebras in classical Lie types and for the universal W∞-algebra W^{sp}_∞.