2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/119125In this paper, we extend a result of Eisenbud-Reeves-Totaro in the frame of ideals of Borel type. As a consequence, we obtain a linear upper bound for the regularity of a new class of ideals, called $\mathcal D$-fixed ideals.5 pagesCommutative AlgebraPrimary: 13P10, Secondary: 13E10text