2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/50380Left-right symmetric models are analyzed in the context of noncommutative geometry where we show that spontaneous parity violation is ruled out.10 pages, no figures; v2: details added in example 2; abstract, introduction and conclusion rewritten to be more explicit; references addedHigh Energy Physics - Theorytext