OP-00280 Open The sharp ratio of the first two buckling eigenvalues SP · AIM Open Applied Problems · buckling eigenvalues · clamped plates · eigenvalue ratios
OP-00281 Solution claimed Pólya–Szegő conjecture for the first buckling load SP · AIM Open Applied Problems · buckling eigenvalues · clamped plates · isoperimetric inequalities
OP-00303 Open Rayleigh's clamped-plate conjecture in higher dimensions SP · AIM Open Applied Problems · biharmonic eigenvalues · clamped plates · isoperimetric inequalities
OP-00334 Open A sharp universal inequality for clamped-plate eigenvalues SP · AIM Open Applied Problems · biharmonic operators · clamped plates · universal inequalities