2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/50783The one-instanton contribution to a circular BPS Wilson loop in N=4 SU(2) Yang--Mills theory is evaluated in semiclassical approximation. This article amplifies part of a talk given by MBG at the Strings 2001 conference, Mumbai, India (January 5-10, 2001). The results are preliminary and a more complete exposition will be contained in a forthcoming paper.15 pages, JHEP macros, Strings 2001 talkHigh Energy Physics - Theorytext