2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/29900Recent developments in study of two-dimensional spin glass models are reviewed in light of fractal nature of droplets at zero-temperature. Also presented are some new results including a new estimate of the stiffness exponent using a boundary condition different from conventional ones.9 pages, 5 figuresDisordered Systems and Neural Networkstext