2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/79701This note presents a self-contained and streamlined exposition of chemical-network results due to Feinberg, Horn, and Jackson. As an application, it shows the global asymptotic stability to equilibria of McKeithan's kinetic proofreading model for T-cell receptor signal transduction.16 pagesDynamical SystemsOptimization and ControlBiological PhysicsQuantitative Biology34D23; 37N25; 92C40text