2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/46188Dynamical fermion mass generation is studied in the three-dimensional Thirring model reformulated as a gauge theory by introducing hidden local symmetry. The analysis by use of Schwinger-Dyson equation is shown to exhibit a critical behavior as the number $N$ of four-component fermions approaches $N_{\rm cr}=128/3π^{2}$.9 pages of LaTeX, Talk given by Y. Kim at 14th Symposium on Theoretical Physics, Cheju, Korea, July 1995High Energy Physics - Phenomenologytext