Existence and Nonexistence of Positive Solutions for a Weighted Quasilinear Elliptic System

This paper deals with the existence and nonexistence of solutions for the following weighted quasilinear elliptic system, Sμ1,μ2q1,q2−divq1x∇up−2∇u=μ1up−2u+α+1uα−1uvβ+1in Ω−divq2x∇vp−2∇v=μ2vp−2v+β+1uα+1vβ−1vin Ωu>0, v>0in Ωu=v=0on ∂Ω  , where Ω⊂ℜNN≥3,2≤p<N, q1, q2∈W1,pΩ∩CΩ¯, α,β≥0, μ1, μ2,...

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Main Authors: Yamina Hamzaoui, Atika Matallah, Mohammed El Mokhtar Ould El Mokhtar
Format: Article
Language:English
Published: Hindawi Limited 2023-01-01
Series:Journal of Mathematics
Online Access:http://dx.doi.org/10.1155/2023/8629590
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author Yamina Hamzaoui
Atika Matallah
Mohammed El Mokhtar Ould El Mokhtar
author_facet Yamina Hamzaoui
Atika Matallah
Mohammed El Mokhtar Ould El Mokhtar
author_sort Yamina Hamzaoui
collection DOAJ
description This paper deals with the existence and nonexistence of solutions for the following weighted quasilinear elliptic system, Sμ1,μ2q1,q2−divq1x∇up−2∇u=μ1up−2u+α+1uα−1uvβ+1in Ω−divq2x∇vp−2∇v=μ2vp−2v+β+1uα+1vβ−1vin Ωu>0, v>0in Ωu=v=0on ∂Ω  , where Ω⊂ℜNN≥3,2≤p<N, q1, q2∈W1,pΩ∩CΩ¯, α,β≥0, μ1, μ2, ≥0 and α,β>0 satisfy α+β=p∗−2 with p∗=pN/N−p is the critical Sobolev exponent. By means of variational methods we prove the existence of positive solutions which depends on the behavior of the weights q1, q2 near their minima and the dimension N. Moreover, we use the well known Pohozaev identity for prove the nonexistence result.
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spelling doaj.art-12f504ba6cbe4eea88d81f526ed069592023-04-06T00:00:10ZengHindawi LimitedJournal of Mathematics2314-47852023-01-01202310.1155/2023/8629590Existence and Nonexistence of Positive Solutions for a Weighted Quasilinear Elliptic SystemYamina Hamzaoui0Atika Matallah1Mohammed El Mokhtar Ould El Mokhtar2Higher School of Management-TlemcenHigher School of Management-TlemcenQassim UniversityThis paper deals with the existence and nonexistence of solutions for the following weighted quasilinear elliptic system, Sμ1,μ2q1,q2−divq1x∇up−2∇u=μ1up−2u+α+1uα−1uvβ+1in Ω−divq2x∇vp−2∇v=μ2vp−2v+β+1uα+1vβ−1vin Ωu>0, v>0in Ωu=v=0on ∂Ω  , where Ω⊂ℜNN≥3,2≤p<N, q1, q2∈W1,pΩ∩CΩ¯, α,β≥0, μ1, μ2, ≥0 and α,β>0 satisfy α+β=p∗−2 with p∗=pN/N−p is the critical Sobolev exponent. By means of variational methods we prove the existence of positive solutions which depends on the behavior of the weights q1, q2 near their minima and the dimension N. Moreover, we use the well known Pohozaev identity for prove the nonexistence result.http://dx.doi.org/10.1155/2023/8629590
spellingShingle Yamina Hamzaoui
Atika Matallah
Mohammed El Mokhtar Ould El Mokhtar
Existence and Nonexistence of Positive Solutions for a Weighted Quasilinear Elliptic System
Journal of Mathematics
title Existence and Nonexistence of Positive Solutions for a Weighted Quasilinear Elliptic System
title_full Existence and Nonexistence of Positive Solutions for a Weighted Quasilinear Elliptic System
title_fullStr Existence and Nonexistence of Positive Solutions for a Weighted Quasilinear Elliptic System
title_full_unstemmed Existence and Nonexistence of Positive Solutions for a Weighted Quasilinear Elliptic System
title_short Existence and Nonexistence of Positive Solutions for a Weighted Quasilinear Elliptic System
title_sort existence and nonexistence of positive solutions for a weighted quasilinear elliptic system
url http://dx.doi.org/10.1155/2023/8629590
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AT atikamatallah existenceandnonexistenceofpositivesolutionsforaweightedquasilinearellipticsystem
AT mohammedelmokhtarouldelmokhtar existenceandnonexistenceofpositivesolutionsforaweightedquasilinearellipticsystem