2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/205016Treating the metric as a classical background field, we show that the cosmological constant does not run with the renormalization scale -- contrary to some claims in the literature.3 pages; V2 to appear in PLBHigh Energy Physics - TheoryGeneral Relativity and Quantum CosmologyHigh Energy Physics - Phenomenologytext