Abstract
This chapter is devoted to applications of the topological degree theory to different boundary value problems. Starting from specific examples, we obtain some general continuation theorems that can be applied in many situations. In particular, most of the sections are devoted to the study of resonant problems, in connection with which we discuss some classical results and different extensions.
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- 1.
In some cases the shooting method seems to be even more effective than degree theory or other methods; see, e.g., [11], where a two-dimensional shooting method is introduced to solve a Neumann problem arising in two-ion electrodiffusion.
- 2.
In the delightful paper [95], an upper bound for the number of solutions is obtained by means of a classical result in complex analysis: the Jensen inequality.
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Amster, P. (2014). Applications. In: Topological Methods in the Study of Boundary Value Problems. Universitext. Springer, Boston, MA. https://doi.org/10.1007/978-1-4614-8893-4_6
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