Results 81 to 90 of about 23,725 (167)

Subcritical perturbations of resonant linear problems with sign-changing potential

open access: yesElectronic Journal of Differential Equations, 2005
We establish existence and multiplicity theorems for a Dirichlet boundary-value problem at resonance. This problem is a nonlinear subcritical perturbation of a linear eigenvalue problem studied by Cuesta, and includes a sign-changing potential. We obtain
Teodora-Liliana Dinu
doaj  

Revision of the genus Agrostis (Poaceae, Pooideae, Poeae) in Megamexico. [PDF]

open access: yesPhytoKeys, 2023
Vigosa-Mercado JL   +3 more
europepmc   +1 more source

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

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

On certain nonlinear elliptic systems with indefinite terms

open access: yesElectronic Journal of Differential Equations, 2002
We consider an elliptic quasi linear systems with indefinite term on a bounded domain. Under suitable conditions, existence and positivity results for solutions are given. Submitted April 2, 2002. Published October 2, 2002.
Ahmed Bensedik, Mohammed Bouchekif
doaj  

Synthesising Programs with Non-trivial Constants. [PDF]

open access: yesJ Autom Reason, 2023
Abate A   +8 more
europepmc   +1 more source

Conditions for having a diffeomorphism between two Banach spaces

open access: yesElectronic Journal of Differential Equations, 2014
We provide sufficient conditions for a mapping acting between two Banach spaces to be a diffeomorphism. Standart arguments allow us to obtain a local diffeomorphism. It is proved to be global using mountain pass geometry.
Marek Galewski   +2 more
doaj  

Existence of weak solutions to superlinear elliptic systems without the Ambrosetti-Rabinowitz condition

open access: yesElectronic Journal of Differential Equations, 2020
In this article, we study the existence of the weak solution for superlinear elliptic equations and systems without the Ambrosetti-Rabinowitz condition.
Xiaohui Wang, Peihao Zhao
doaj  

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