%0 Journal Article %T Strict monotonicity and unique continuation of the biharmonic operator %A Najib Tsouli %A Omar Chakrone %A Mostafa Rahmani %A Omar Darhouche %J Boletim da Sociedade Paranaense de Matem¨¢tica %D 2012 %I Sociedade Brasileira de Matem¨¢tica %X In this paper, we will show that the strict monotonicity of the eigenvalues of the biharmonic operator holds if and only if some unique continuation property is satisfied by the corresponding eigenfunctions. %K variational methods %K eigenvalues %K biharmonic operator %K unique continuation. %U http://www.periodicos.uem.br/ojs/index.php/BSocParanMat/article/view/14502