2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/183091Lin and Yang's upper bound E_Q <= cQ^(3/4) of the least static energy E_Q of the Faddeev model in a sector with a fixed Hopf index Q is investigated. By constructing an explicit trial configuration for the Faddeev field n, a possible value of the coefficient c is obtained numerically, which is much smaller than the value obtained quite recently by analytic discussions.11 pages, 2 figuresHigh Energy Physics - Theorytext