Affiliation:
1. Institute of Life Sciences and Technology, Daugavpils University, Parades Street 1, LV-5401 Daugavpils, Latvia
Abstract
For a linear ordinary differential equation (ODE in short) of the third order, results are presented that supplement the theory of conjugate points and extremal solutions by W. Leighton, Z. Nehari, M. Hanan. It is especially noted the sensitivity of solutions to the initial data, which makes their numerical study difficult. Similar results were obtained for the third-order nonlinear equations of the Emden-Fowler type.
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