2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55572We construct exactly solvable models for four particles moving on a real line or on a circle with translation invariant two- and four-particle interactions.14 pages, no figures, 1 table, replaced and enlarged version, a note addedHigh Energy Physics - TheoryConstruction of exactly solvable quantum models of Calogero and Sutherland type with translation invariant four-particle interactionstext