On Concentration of Real Solutions for Fractional Helmholtz Equation. Journal of Partial Differential Equations, [S. l.], v. 39, n. 1, p. 51–69, 2026. DOI: 10.4208/jpde.v39.n1.3. Disponível em: https://www.global-sci.com/jpde/article/view/23727. Acesso em: 18 mar. 2026.