Meanings
nounKac-Moody algebra (plural Kac-Moody algebras)
plural Kac-Moody algebras
- mathematicsA Lie algebra, usually infinite-dimensional, that can be defined by generators and relations through a generalized Cartan matrix. They have applications in theoretical physics.
Origin
Named after Victor Kac and Robert Moody, who independently discovered them.
Full word history & related roots →Cite this entry
APA
Kac-Moody algebra. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Kac-Moody%20algebra
MLA
“Kac-Moody algebra.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Kac-Moody%20algebra. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “Kac-Moody algebra,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Kac-Moody%20algebra.
Source: Kac-Moody algebra on Wiktionary, CC BY-SA 4.0.