2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/210761Given a right-angled Artin group A, the associated Bestvina-Brady group is defined to be the kernel of the homomorphism A \to \mathbb{Z} that maps each generator in the standard presentation of A to a fixed generator of \mathbb{Z}. We prove that the Dehn function of an arbitrary finitely presented Bestvina-Brady group is bounded above by n^4. This is the best possible universal upper bound.11 pages, 1 figure. Minor typos corrected and cosmetic changes made. Final versionGroup TheoryGeometric Topology20F65 (primary); 20F10, 20F36 (secondary).text