On root multiplicities of some hyperbolic Kac-Moody algebras

DOI10.1023/A:1007317602691zbMath0885.17015arXivhep-th/9612210OpenAlexW3100692079MaRDI QIDQ1372951

Michel Bauer, Denis Bernard

Publication date: 5 April 1998

Published in: Letters in Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/hep-th/9612210

zbMATH Keywords

hyperbolic Kac-Moody algebrasroot multiplicitiesVirasoro coset construction

Mathematics Subject Classification ID

Kac-Moody (super)algebras; extended affine Lie algebras; toroidal Lie algebras (17B67) Infinite-dimensional groups and algebras motivated by physics, including Virasoro, Kac-Moody, (W)-algebras and other current algebras and their representations (81R10)

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Involutive automorphisms and Iwasawa decomposition of some hyperbolic Kac–Moody algebras

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