Hay, M.C.
(Symmetry, Integrability and Geometry: Methods and Applications, 2011)
We expand the completeness study instigated in [J. Math. Phys. 50 (2009), 103516, 29 pages] which found all 2×2 Lax pairs with non-zero, separable terms in each entry of each Lax matrix, along with the most general nonlinear ...