Greensite-Halpern stabilization of $A_k$ singularities in the $N \to \infty$ limit

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/149276The Greensite-Halpern method of stabilizing bottomless Euclidean actions is applied to zerodimensional O(N) sigma models with unstable $A_k$ singularities in the $N = \infty$ limit.LaTeX, 9 pages, no figuresHigh Energy Physics - TheoryGreensite-Halpern stabilization of $A_k$ singularities in the $N \to \infty$ limittext