Descriptors
Nondegeneracy of the eigenvalues , Hodge Laplacian for generic metrics on 3-manifolds , Riemannian geometry , Oriented compact 3-manifold , Banach manifold , Beltrami operator , Spectrum of the Beltrami operator , Eigenfunctions of the Beltrami operator , Beltrami operator generically consists , Separable Banach manifolds , Nonzero simple eigenvalue