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Fig. A.1

image

Topology of the critical points for n = 1 / 2. Blue: points satisfying MZW = 0. This represents the transition from saddle to node critical points (one negative and one positive eigenvalue). Red: points satisfying . Transition between the node critical points to oscillatory critical points (two complex conjugate eigenvalues). The physical solutions are to be searched for in the dashed area.

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