Conjugacy classes of involutive automorphisms of the $C_{\ell}^{(1)}$ affine Kac-Moody algebras
The 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.
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