@Article{Chabrowski2011, author = "Chabrowski, Jan", title = "The Hardy potential and eigenvalue problems", journal = "Opuscula Math.", year = "2011", volume = "31", number = "2", pages = "173--194", doi = "http://dx.doi.org/10.7494/OpMath.2011.31.2.173", url = "http://dx.doi.org/10.7494/OpMath.2011.31.2.173", abstract = "We establish the existence of principal eigenfunctions for the Laplace operator involving weighted Hardy potentials. We consider the Dirichlet and Neumann boundary conditions.", keywords = "Dirichlet and Neumann problems, Hardy potential, principal eigenfuctions", issn = "1232-9274" }