TY - JOUR AU - Núñez Jiménez, María del Carmen AU - Obaya, Rafael AU - Rodríguez Pérez, Jorge PY - 2026 SN - 0893-9659 UR - https://uvadoc.uva.es/handle/10324/83358 AB - he work presents a ‘‘doubly’’ nonautonomous version of the averaging principle, applicable to equations that depend on a small parameter 𝜀 and on (fast) time 𝜏, but also on slow time 𝑡 = 𝜀𝜏. The objectives are to establish optimal conditions on... LA - eng PB - Elsevier KW - Averaging theory KW - Nonautonomous dynamical systems KW - Multiscale ordinary differential equations TI - A note on the averaging principle for ordinary differential equations depending on the slow time DO - 10.1016/j.aml.2026.109910 ER -