2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/50998We discuss the new integrable boundary conditions for the O(N) nonlinear $σ$ model and related solutions of the boundary Yang-Baxter equation, which were presented in our previous paper hep-th/0108039.9 pages. To appear in the proceedings of the NATO Advanced Research Workshop on "Statistical Field Theories", Como, Italy, 18-23 June 2001. v2: typos correctedHigh Energy Physics - Theorytext