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math.RT2013
Dimensions of Imaginary Root Spaces of Hyperbolic Kac--Moody Algebras
Lisa Carbone, Walter Freyn, Kyu-Hwan Lee
We discuss the known results and methods for determining root multiplicities for hyperbolic Kac--Moody algebras.
math.RT2013★ 2 cited
Eisenstein series on rank 2 hyperbolic Kac--Moody groups
Lisa Carbone, Kyu-Hwan Lee, Dongwen Liu
We define Eisenstein series on rank 2 hyperbolic Kac--Moody groups over R, induced from quasi--characters. We prove convergence of the constant term and hence the almost everywhere…