2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/224537We show that if, for every bounded d-bar-closed (0,1)-form f, a pseudoconvex domain Ωadmits a solution to $\bar\partial u=f$ that is continuous up to the boundary and has uniform estimates in terms of $\|f\|_\infty$, then each p\in bdy(Ω) must necessarily admit a peak function in the class $A(Ω):=\mathcal{O}(Ω)\cap\mathcal{C}(\overline\OM)$. We use this fact to examine some geometrical obstructions to uniform estimates for the d-bar equation.This preprint has been withdrawn by the author because the estimate (2.3) does not follow from the formula preceding itComplex VariablesAnalysis of PDEs32F17; 32F20; 32T40; 35N10text