Two variations on $(A_3\times A_1\times A_1{)}^{(1)}$ type discrete Painlevé equations

Yang Shi

By considering the normalizers of reflection subgroups of types $A_1^{(1)}$ and $A_3^{(1)}$ in $\tilde{W}\left(D_5^{(1)}\right)$, two normalizers: $\widetilde{W}\left(A_3\times…