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Existence of two normalized solutions for a Choquard equation with exponential growth and an L2-subcritical perturbation

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Author(s):
Li, Haoyu ; Maia, Braulio B. V. ; Miyagaki, Olimpio H.
Total Authors: 3
Document type: Journal article
Source: ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND PHYSIK; v. 75, n. 6, p. 19-pg., 2024-12-01.
Abstract

This paper is concerned with the existence of normalized solutions for the following class of Choquard elliptic problems:{-Delta u + lambda u (I-alpha & lowast; F(u)) f(u) + mu(I-alpha & lowast;|u|(q))|u|(q-2)u, in R-2, {integral(R2)|u|(2 )= a, where a> 0,I alpha is the Riesz potential,& lowast;represents the convolution operator,f has exponential critical growth in R-2,F(t) = integral(t)(0)f(s)ds, and 1+alpha/2<q<2+alpha 2. By variational methods, we prove the existence of two normalized solutions: one with negative energy and one with positive energy. (AU)

FAPESP's process: 22/16407-1 - TESdE: Thematic on Equations and Systems of differential Equations
Grantee:Ederson Moreira dos Santos
Support Opportunities: Research Projects - Thematic Grants
FAPESP's process: 23/09656-8 - A study about elliptical partial differential equations of Choquard type
Grantee:Braulio Brendo Vasconcelos Maia
Support Opportunities: Scholarships in Brazil - Post-Doctoral
FAPESP's process: 22/15812-0 - A Proposal on Varational Methods to Elliptic Systems
Grantee:Haoyu Li
Support Opportunities: Scholarships in Brazil - Post-Doctoral