2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/161848We will give a weak energy identity for Sacks-Uhlenbeck approximation of harmonic maps and calculate the length of the necks.33pagesDifferential Geometry58E20;35J60A weak energy identity and the length of necks for a Sacks-Uhlenbeck $α$-harmonic map sequencetext