2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/27218We conjecture that a two-dimensional anyon system reduces, when confined to a narrow channel, to a one-dimensional bose gas with a repulsive two-body $δ$-function interaction. We verify this conjecture in first-order perturbation theory near bosons. If the channel width is reduced to zero, the one-dimensional system is fermionic for all anyons other than bosons.8 pages, plain TeX, no figuresCondensed MatterHigh Energy Physics - Theorytext