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Revista Politécnica
versão On-line ISSN 2477-8990versão impressa ISSN 1390-0129
Resumo
AGUILAR, Miguel e CALAHORRANO, Marco. Comparison and Contrast of the Classical (Ambrosetti and Rabinowitz) and Topological (Katriel) Approaches of the Mountain Pass Theorem. Rev Politéc. (Quito) [online]. 2020, vol.45, n.2, pp.7-18. ISSN 2477-8990. https://doi.org/10.33333/rp.vol45n2.01.
In this article we present the outlines of the proofs of the classical Mountain Pass Theorem by Ambrosetti and Rabinowitz and the topological Mountain Pass Theorem by Katriel. We study the particular applications of these theorems: existence of solutions for partial differential equations and homeomorphisms theorems, respectively. We prove that there exists a theorem in critical point theory in finite dimension that can be seen as a common application of both results. We made an analysis of the theoretical characteristics of the structure of the proofs of each theorem and finally we show if there is a logical relation between them.
Palavras-chave : Mountain Pass; Non-linear analysis; Partial Differential Equations; General Topology.