On free field realization of the twisted Heisenberg-Virasoro algebra at level zero and W-algebra W(2,2) (CROSBI ID 698448)
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Podaci o odgovornosti
Radobolja, Gordan
engleski
On free field realization of the twisted Heisenberg-Virasoro algebra at level zero and W-algebra W(2,2)
We present a free field realisation of the Heisenberg-Virasoro VOA and it's highest weight modules. As an application we derive intertwining operators among irreducible highest weight modules. We show the existence of non-split self-extensions. In the end we discuss applications to W(2, 2) algebra.
vertex algebras, Heisenberg-Virasoro algebra, screening operators, intertwining operators
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Podaci o prilogu
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Podaci o skupu
The XXVth International Conference on Integrable Systems and Quantum symmetries
predavanje
05.06.2017-10.06.2017
Prag, Češka Republika