JUAN MANUEL RUEDA VÁZQUEZ2026-01-292026-01-29202410.1007/s13226-024-00552-02-s2.0-85185129315https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/37450Applied MathematicsMathematics (all)Closed formulas for 2-domination and 2-outer-independent domination numbers of rooted product graphsresearch article