Results 91 to 100 of about 1,117,308 (199)

Existence and multiplicity of solutions for Klein–Gordon–Maxwell systems with sign-changing potentials

open access: yesAdvances in Difference Equations, 2019
In this paper, we study the following nonlinear Klein–Gordon–Maxwell system: {−Δu+V(x)u−(2ω+ϕ)ϕu=f(x,u)+λh(x)|u|q−2u,x∈R3,Δϕ=(ω+ϕ)u2,x∈R3,(Pλ) $$ \textstyle\begin{cases} -\Delta u+ V(x)u-(2\omega +\phi )\phi u = f(x,u)+\lambda h(x) \vert u \vert ^{q-2}u,
Chongqing Wei, Anran Li
doaj   +1 more source

The mountain pass theorem: variants, generalizations and some applications

open access: yes, 2003
This 2003 book presents min-max methods through a study of the different faces of the Mountain Pass Theorem of Ambrosetti and ...
Jabri, Youssef
core  

Soliton Solutions for Quasilinear Schrödinger Equations

open access: yesJournal of Applied Mathematics, 2013
By using a change of variables, we get new equations, whose respective associated functionals are well defined in and satisfy the geometric hypotheses of the mountain pass theorem. Using this fact, we obtain a nontrivial solution.
Junheng Qu
doaj   +1 more source

Mountain Pass Theorem and Applications to Fourth-order PDES with Variable Exponents

open access: yes
The authors establish the existence of multiple weak solutions to a fourth order equation. Their analysis employs the Mountain Pass Theorem combined with variable exponent theory of generalized Lebesgue-Sobolev spaces.
Ghasem A. Afrouzi   +2 more
core   +1 more source

Mountains of Our Future Earth: Defining Priorities for Mountain Research: A Synthesis From the 2015 Perth III Conference [PDF]

open access: yes, 2016
The Perth conferences, held every 5 years in Perth, Scotland, bring together people who identify as mountain researchers and who are interested in issues related to global change in mountain social-ecological systems.
Balsiger, Jörg   +25 more
core   +2 more sources

Mountain Pass Theorem With infinite symmetry

open access: yes, 2012
We extend a work of Bartsch, Clapp and Puppe on the Mountain pass theorems. We consider functionals invariant with respect to infinite discrete groups satisfying a maximality condition on the finite subgroups.
openaire   +2 more sources

Existence Results for a px-Kirchhoff-Type Equation without Ambrosetti-Rabinowitz Condition

open access: yesJournal of Applied Mathematics, 2013
We consider the existence and multiplicity of solutions for the px-Kirchhoff-type equations without Ambrosetti-Rabinowitz condition. Using the Mountain Pass Lemma, the Fountain Theorem, and its dual, the existence of solutions and infinitely many ...
Libo Wang, Minghe Pei
doaj   +1 more source

The impact of the mountain pass theory in nonlinear analysis: a mathematical survey

open access: yes, 2010
This article provides a survey on mountain pass theory. The mountain pass theory is a useful tool to find the critical points of functionals, and it plays a central role in analysis of nonlinear problems, especially nonlinear differential equations ...
PUCCI, Patrizia, V. RADULESCU
core  

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