Tensor products and $q$-characters of HL-modules and monoidal categorifications

Brito, Matheus; Chari, Vyjayanthi

Journal de l’École polytechnique — Mathématiques, Volume 6 (2019) p. 581-619

Unitary representations of the Virasoro algebra and a conjecture of Kac

Chari, Vyjayanthi; Pressley, Andrew

Compositio Mathematica, Volume 67 (1988) p. 315-342