Chapter 3 is centered around the existence of periodical solutions for non self-adjoint nonlinear second order difference equations by invoking matrix theory and coincide degree theory.
第三章利用矩阵理论与重合度理论，讨论了一类非自共轭非线性二阶差分方程周期解的存在性问题。
2
The individualistic perspective is more closely linked to conventional Western perspectives and the relationship-centered perspective is more closely linked to Asian and non-Westernperspectives.