2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/122146Differential equations for the special polynomials associated with the rational solutions of the second Painleve hierarchy are introduced. It is shown rational solutions of the Korteveg - de Vries hierarchy can be found taking the Yablonskii - Vorob'ev polynomials into account. Special polynomials associated with rational solutions of the Korteveg - de Vries hierarchy are presented.8 pagesExactly Solvable and Integrable Systemstext