%0 Journal Article %T Polynomial Relations for q-Characters via the ODE/IM Correspondence %A Juanjuan Sun %J Symmetry, Integrability and Geometry : Methods and Applications %D 2012 %I National Academy of Science of Ukraine %X Let $U_q(mathfrak{b})$ be the Borel subalgebra of a quantum affine algebra of type $X^{(1)}_n$ ($X=A,B,C,D$). Guided by the ODE/IM correspondence in quantum integrable models, we propose conjectural polynomial relations among the $q$-characters of certain representations of $U_q(mathfrak{b})$. %K Borel subalgebra %K q-character %K Baxter's Q-operator %K ODE/IM correspondence %U http://dx.doi.org/10.3842/SIGMA.2012.028