%0 Journal Article %A GLEB POGUDIN %A THOMAS SCANLON %A MICHAEL WIBMER %T SOLVING DIFFERENCE EQUATIONS IN SEQUENCES: UNIVERSALITY AND UNDECIDABILITY %J Forum of Mathematics, Sigma %D 2020 %V 8 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1017/fms.2020.14/ %R 10.1017/fms.2020.14 %G en %F 10_1017_fms_2020_14