2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/130702This paper establishes the Manin conjecture for a certain non-split singular del Pezzo surface of degree four, via an analysis of the corresponding height zeta function.25 pagesNumber TheoryAlgebraic Geometry11G35 (14G05, 14G10)On Manin's conjecture for singular del Pezzo surfaces of degree four, IItext