Figure 3
The functions λ0 = Λ0(β), λ1 = Λ1(β), λ2 = Λ2(β) and the asymptote λ = β. Note that positive eigenvalues are reached when β>β0. The static eigenvalues βi can be seen in connection with the dynamic spectral problem. The βi are defined as it follows: {βi/Λi(βi)= 0}.
