Hattai, T.; Ito, T.
(Symmetry, Integrability and Geometry: Methods and Applications, 2015)
In [Kyushu J. Math. 64 (2010), 81-144], it is discussed that a certain subalgebra of the quantum affine algebra Uq(sl₂) controls the second kind TD-algebra of type I (the degenerate q-Onsager algebra). The subalgebra, which ...