2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/200843The $gl(4|4)$ current algebra at general level $k$ is investigated. Its free field representation and corresponding energy-momentum tensor are constructed. Seven screening currents of the first kind are also presented.Latex file, 11 pages; V2, two references addedHigh Energy Physics - TheoryMathematical Physicstext