Ormerod, C.M.
(Symmetry, Integrability and Geometry: Methods and Applications, 2011)
We wish to show that the root lattice of Bäcklund transformations of the q-analogue of the third and fourth Painlevé equations, which is of type (A₂+A₁)⁽¹⁾, may be expressed as a quotient of the lattice of connection ...