Table 3 Eigenvalues of the linearized matrix for the autonomous system’s critical points when \(\alpha \) is positive.

From: Dynamical system analysis of interacting dark energy in LRS Bianchi type I cosmology

Points

\(\lambda _{1}\)

\(\lambda _{2}\)

\(\lambda _{3}\)

A

\(3+\alpha \)

\(3-\frac{3\lambda \sqrt{2n+1}}{\sqrt{2}(n+2)}\)

\(3+\alpha \)

B

\(3+\alpha \)

\(3+\frac{3\lambda \sqrt{2n+1}}{\sqrt{2}(n+2)}\)

\(3+\alpha \)

C

\((\alpha -3)+\frac{3\lambda ^{2}(2n+1)}{(n+2)^{2}}\)

\(\frac{9\lambda ^{2}(2n+1)}{(n+2)^{2}}\bigg [\frac{\lambda ^{2}(2n+1)}{2(n+2)^{2}}-1\bigg ]\)

\(\frac{9\lambda ^{2}(2n+1)}{2(n+2)^{2}}-4\)

D

\((\alpha -3)+\frac{3\lambda ^{2}(2n+1)}{(n+2)^{2}}\)

\(\frac{9\lambda ^{2}(2n+1)}{(n+2)^{2}}\bigg [\frac{\lambda ^{2}(2n+1)}{2(n+2)^{2}}-1\bigg ]\)

\(\frac{9\lambda ^{2}(2n+1)}{2(n+2)^{2}}-4\)

E

\((\alpha -3)+\frac{(\alpha -3)^{2}(n+2)^{2}}{3\lambda ^{2}(2n+1)}\)

3

\(-2\)

F

\((\alpha -3)+\frac{(\alpha -3)^{2}(n+2)^{2}}{3\lambda ^{2}(2n+1)}\)

\(-\frac{4}{9}\)

\(-1\)