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Greensite-Halpern stabilization of Ak singularities in the N ∞ limit

J. Maeder, W. Ruehl

hep-tharXiv:hep-th/9511085

Abstract

The Greensite-Halpern method of stabilizing bottomless Euclidean actions is applied to zerodimensional O(N) sigma models with unstable Ak singularities in the N = ∞ limit.

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