2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/98507A class of integrable one-dimensional models presented by Shastry and Schulz is consequently extended to the whole class of one-dimensional Hubbard- or XXZ-type models with correlated gauge-like hopping. A complete characterization concerning solvability by coordinate Bethe ansatz of this class of models is found.13 pages, 3 figures, revtex. Minor changes, references addedStrongly Correlated Electronstext