University of Hertfordshire

By the same authors

An Analog of the Feigin-Frenkel homomorphism for double loop algebras

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Original languageEnglish
JournalJournal of Algebra
Publication statusAccepted/In press - 15 Aug 2021


We prove the existence of a homomorphism of vertex algebras, from the vacuum Verma module over the loop algebra of an untwisted affine algebra, whose construction is analogous to that of the Feigin-Frenkel homomorphism from the vacuum Verma module at critical level over an affine algebra.

ID: 25867994