References

ON A CLASS OF INDEFINITE KAC-MOODY ALGEBRAS


[1] L. Carbone, S. Chung, L. Cobbs, R. McRae, D. Nandi, Y. Naqvi and D. Penta, Classification of hyperbolic Dynkin diagrams, root lengths and Weyl group orbits, Journal of Physics A: Mathematical and Theoretical 43(15) (2010), 155-209.
DOI: https://doi.org/10.1088/1751-8113/43/15/155209

[2] J. E. Humphreys, Introduction to Lie Algebras and Representation Theory, Volume 9, Springer Science and Business Media, 2012.

[3] V. G. Kac, Infinite-Dimensional Lie Algebras, Cambridge University Press, 1990.

[4] C. Sa̧clioglu, Dynkin diagrams for hyperbolic Kac-Moody algebras, Journal of Physics A: Mathematical and General 22(18) (1989), 37-53.
DOI: https://doi.org/10.1088/0305-4470/22/18/015