2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/152661The conjugacy classes of the involutive automorphisms of the affine Kac-Moody algebras \Cli\ for $\ell\geq 2$ are determined using the matrix formulation of automorphisms of an affine Kac-Moody algebra.27 pages. Accepted for publication in Journal of Group Theory in PhysicsHigh Energy Physics - TheoryQuantum AlgebraConjugacy classes of involutive automorphisms of the $C_{\ell}^{(1)}$ affine Kac-Moody algebrastext