Results 91 to 100 of about 729 (179)

Positive solutions for anisotropic discrete boundary-value problems

open access: yesElectronic Journal of Differential Equations, 2013
Using mountain pass arguments and the Karsuh-Kuhn-Tucker Theorem, we prove the existence of at least two positive solution for anisotropic discrete Dirichlet boundary-value problems. Our results generalized and improve those in [16].
Marek Galewski   +2 more
doaj  

Tbit/s line-rate satellite feeder links enabled by coherent modulation and full-adaptive optics. [PDF]

open access: yesLight Sci Appl, 2023
Horst Y   +14 more
europepmc   +1 more source

Mountain pass theorem with infinite discrete symmetry

open access: yes, 2016
The Mountain Pass Theorem is one of the fundamental results of calculus of variations and nonlinear analysis, used to establish the existence of critical points (of higher index) with numerous applications in many areas of mathematics. The paper under review extends the classical formulation of this theorem to an equivariant setting, regarding ...
openaire   +3 more sources

Rising slopes-Bibliometrics of mountain research 1900-2019. [PDF]

open access: yesPLoS One, 2022
Gurgiser W   +9 more
europepmc   +1 more source

Cerami (C) condition and mountain pass theorem for multivalued mappings

open access: yes, 2002
Summary: We prove a general minimax result for a multivalued mapping. As an application, we give existence results on critical points of this mapping which satisfy the Cerami (C) condition.
Kristály, A., Varga, Cs.
openaire   +2 more sources

Existence of positive solutions to a singular boundary-value problem using variational methods

open access: yesElectronic Journal of Differential Equations, 2014
In this article, we study a class of nonlinear singular boundary-value problems. We show the existence of positive weak solutions by using variational methods.
Jian Liu, Zengqin Zhao
doaj  

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