Positive Solutions for a Class of Fractional Choquard Equation in Exterior Domain

This work concerns with the existence of positive solutions for the following class of fractional elliptic problems, 0.1 ( - Δ ) s u + u = ∫ Ω | u ( y ) | p | x - y | N - α d y | u | p - 2 u , in Ω u = 0 , R N \ Ω where s ∈ ( 0 , 1 ) , N > 2 s , α ∈ ( 0 , N ) , Ω ⊂ R N is an exterior domain with...

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Bibliographic Details
Published in:Milan journal of mathematics 2022-12, Vol.90 (2), p.519-554
Main Authors: Ledesma, César T., Miyagaki, Olimpio H.
Format: Article
Language:English
Subjects:
Analysis
Mathematics
Mathematics and Statistics
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Summary:This work concerns with the existence of positive solutions for the following class of fractional elliptic problems, 0.1 ( - Δ ) s u + u = ∫ Ω | u ( y ) | p | x - y | N - α d y | u | p - 2 u , in Ω u = 0 , R N \ Ω where s ∈ ( 0 , 1 ) , N > 2 s , α ∈ ( 0 , N ) , Ω ⊂ R N is an exterior domain with smooth boundary ∂ Ω ≠ ∅ and p ∈ ( 2 , 2 s ∗ ) . The main feature from problem ( 0.1 ) is the lack of compactness due to the unboundedness of the domain and the lack of the uniqueness of solution of the limit problem. To overcome the loss these difficulties we use splitting lemma combined with careful investigation of limit profiles of ground states of limit problem.
ISSN:1424-9286
1424-9294
DOI:10.1007/s00032-022-00361-2