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Nodal solutions for Neumann systems with gradient dependence
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Saoudi, Kamel
(
Author
),
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Alzahrani, Eadah
(
Author
),
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Repovš, Dušan
(
Author
)
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https://boundaryvalueproblems.springeropen.com/articles/10.1186/s13661-023-01814-2
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Abstract
We consider the following convective Neumann systems: $\begin{equation*}\left(\mathrm{S}\right)\qquad\left\{\begin{array}{ll}-\Delta_{p_1}u_1+\frac{|\nabla u_1|^{p_1}}{u_1+\delta_1}=f_1(x,u_1,u_2,\nabla u_1,\nabla u_2) \text{in}\;\Omega,\\ -\Delta _{p_2}u_2+\frac{|\nabla u_2|^{p_2}}{u_2+\delta_2}=f_2(x,u_1,u_2,\nabla u_1,\nabla u_2) \text{in}\;\Omega, \\ |\nabla u_1|^{p_1-2}\frac{\partial u_1}{\partial \eta }=0=|\nabla u_2|^{p_2-2}\frac{\partial u_2}{\partial \eta} \text{on}\;\partial\,\Omega,\end{array}\right.\end{equation*}$ where $\Omega$ is a bounded domain in $\mathbb{R}^{N}$ ($N\geq 2$) with a smooth boundary $\partial\,\Omega, \delta_1, \delta_2 > 0$ are small parameters, $\eta$ is the outward unit vector normal to $\partial\,\Omega, f_1, f_2: \Omega \times \mathbb{R}^2 \times \mathbb{R}^{2N} \rightarrow \mathbb{R}$ are Carathéodory functions that satisfy certain growth conditions, and $\Delta _{p_i}$ ($1< p_i < N,$ for $i=1,2$) are the $p$-Laplace operators $\Delta _{p_i}u_i=\mathrm{div}(|\nabla u_i|^{p_i-2}\nabla u_i)$, for $u_i \in W^{1,p_i}(\Omega).$ In order to prove the existence of solutions to such systems, we use a sub-supersolution method. We also obtain nodal solutions by constructing appropriate sub-solution and super-solution pairs. To the best of our knowledge, such systems have not been studied yet.
Language:
English
Keywords:
Neumann elliptic systems
,
gradient dependence
,
subsolution method
,
supersolution method
,
nodal solutions
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
PEF - Faculty of Education
FMF - Faculty of Mathematics and Physics
Publication status:
Published
Publication version:
Version of Record
Year:
2024
Number of pages:
19 str.
Numbering:
Vol. 2024, article no. 4
PID:
20.500.12556/RUL-153500
UDC:
517.9
ISSN on article:
1687-2770
DOI:
10.1186/s13661-023-01814-2
COBISS.SI-ID:
180215555
Publication date in RUL:
10.01.2024
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268
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Title:
Boundary value problems
Shortened title:
Bound. value probl.
Publisher:
Springer
ISSN:
1687-2770
COBISS.SI-ID:
62113025
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CC BY 4.0, Creative Commons Attribution 4.0 International
Link:
http://creativecommons.org/licenses/by/4.0/
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This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Projects
Funder:
ARIS - Slovenian Research and Innovation Agency
Project number:
P1-0292
Name:
Topologija in njena uporaba
Funder:
ARIS - Slovenian Research and Innovation Agency
Project number:
J1-4031
Name:
Računalniška knjižnica za zavozlane strukture in aplikacije
Funder:
ARIS - Slovenian Research and Innovation Agency
Project number:
J1-4001
Name:
Izbrani problemi iz uporabne in računske topologije
Funder:
ARIS - Slovenian Research and Innovation Agency
Project number:
N1-0278
Name:
Biološka koda vozlov - identifikacija vzorcev vozlanja v biomolekulah z uporabo umetne inteligence
Funder:
ARIS - Slovenian Research and Innovation Agency
Project number:
N1-0114
Name:
Algebrajski odtisi geometrijskih značilnosti v homologiji
Funder:
ARIS - Slovenian Research and Innovation Agency
Project number:
N1-0083
Name:
Forsing, fuzija in kombinatorika odprtih pokritij
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