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math.RT2015
Quantum Hamiltonian reduction of W-algebras and category O
Stephen Morgan
We define a quantum version of Hamiltonian reduction by stages, producing a construction in type A for a quantum Hamiltonian reduction from the W-algebra to a…
math.RT2015★ 6 cited
Quantum Hamiltonian reduction of W-algebras and category O
Stephen Morgan
W-algebras are a class of non-commutative algebras related to the classical universal enveloping algebras. They can be defined as a subquotient of U(g) related to a choice of nilpo…