Y. Saito

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math.RT2025

Hidden $S L_{2} (Z)$ -symmetry in $B C_{l}^{(2)}$

K. Iohara, Y. Saito

A well-known $Γ_θ$-action on the characters of integrable highest weight modules over the affine Lie algebra of type $BC_l^{(2)}$ at a positive level is extended to an \(\mathr…

math.RT2024

Classification of marked elliptic root systems with non-reduced quotient

A. Fialowski, K. Iohara, Y. Saito

K. Saito (Publ. RIMS 21 (1), 1985, 75-179) has introduced a class of root systems called elliptic root systems which lies in the real vector space $F$ with a metric $I$ whose signa…

Hidden SL2​(Z)-symmetry in BCl(2)​

Classification of marked elliptic root systems with non-reduced quotient

Hidden $S L_{2} (Z)$ -symmetry in $B C_{l}^{(2)}$