2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/64092We prove the existence of a compact L^2-H^1 attractor for a reaction-diffusion equation in R^n. This improves a previous result of B. Wang concerning the existence of a compact L^2-L^2 attractor for the same equation.6 pages; to appear on "Discr. Contin. Dynam. Systems (DCDS-A)"; two references addedAnalysis of PDEs35B40; 35k57A remark on reaction-diffusion equations in unbounded domainstext