2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/119278We prove sharp bilinear estimates for Dirichlet or Neumann eigenfunctions in domains in the plane. These are the natural analog of earlier estimates for the boundaryless case of Burq, Gérard, and Tzvetkov.8 pagesAnalysis of PDEs35Q55, 35BXX, 37K05, 37L50, 81Q20On multilinear spectral cluster estimates for manifolds with boundarytext