2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/35944A quantum mechanism of the inertia generation has been proposed. The threshold of the parametric instability of ``goemetric'' Goldstone modes is treated as a rest mass.14 pages, LaTeX, submitted for publicationGeneral Relativity and Quantum CosmologyInertia as the ``Threshold of Elasticity'' of Quantum Statestext