Figure 4
First and second eigenvectors of the Hessian computed in the model displayed in Fig. 3 with the parametrization vn, η, and δ. The solid line corresponds to 
and the dot–dashed line to Δη and the dashed line to Δδ.
First and second eigenvectors of the Hessian computed in the model displayed in Fig. 3 with the parametrization vn, η, and δ. The solid line corresponds to and the dot–dashed line to Δη and the dashed line to Δδ.
