2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/19627Scaling arguments are used to analyze the size of topologically constrained closed ring polymer with excluded volume. It is found that there exists a finite range of polymer thickness (excluded volume) in which self-avoidance is unimportant and polymer swelling compared to the Gaussian size is entirely due to the topological constraints.4 pages, 2 figuresSoft Condensed MatterStatistical Mechanicstext