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Licensed Unlicensed Requires Authentication Published by De Gruyter August 9, 2022

A perturbed eigenvalue problem in exterior domain

  • Andrei Grecu
From the journal Mathematica Slovaca

Abstract

Let Ω ⊂ RN (N ≥ 2) be a simply connected bounded domain, containing the origin, with C2 boundary denoted by Ω. Denote by Ωext:=RNΩ¯the exterior of Ω. We consider the perturbed eigenvalue problem

Δ p u Δ q u = μ K ( x ) | u | p 2 u  for  x Ω ext  u ( x ) = 0  for  x Ω u ( x ) 0 ,  as  | x | ,

where p, q ∈ (1,N), pqand K is a positive weight function defined on Ωext having the property that KLext) ∩ LN/pext) . We show that the set of parameters μ for which the above eigenvalue problem possesses nontrivial weak solutions is exactly an unbounded open interval.

MSC 2010: 35J60; 35P99; 46E35

This work was supported by Research group of the project PN-III-P1-1.1-TE-2019-0456, University Politehnica of Bucharest, 060042 Bucharest, Romania.


  1. (Communicated by Alberto Lastra)

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Received: 2021-03-06
Accepted: 2021-07-07
Published Online: 2022-08-09
Published in Print: 2022-08-26

© 2022 Mathematical Institute Slovak Academy of Sciences

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