Effective Pruefer Angles and Relative Oscillation Criteria

Eigenfrequencies and expansions for damped wave equations

Eigenfunction expansions associated with 1d periodic differential operators of order $2n$

Eigenfunctions at the threshold energies of magnetic Dirac operators

Eigenfunctions for partially rectangular billiards

Eigenfunctions of Dirac operators at the threshold energies

Eigenfunctions of the Laplace-Beltrami Operator on Hyperboloids

Eigenmodes of Lens and Prism Spaces

Eigenspaces of the Spin Dirac operator over S^3

Eigensystem of an $L^2$-perturbed harmonic oscillator is an unconditional basis

Eigenvalue asymptotic of Robin Laplace operators on two-dimensional domains with cusps

Eigenvalue asymptotics for randomly perturbed non-selfadjoint operators

Eigenvalue asymptotics for Sturm--Liouville operators with singular potentials

Eigenvalue Asymptotics in a Twisted Waveguide

Eigenvalue asymptotics of perturbed periodic Dirac systems in the slow-decay limit

Eigenvalue Asymptotics of Perturbed Self-adjoint Operators

Eigenvalue asymptotics, inverse problems and a trace formula for the linear damped wave equation

Eigenvalue Bounds for Perturbations of Schrodinger Operators and Jacobi Matrices With Regular Ground States

Eigenvalue bounds for Schrödinger operators with a homogeneous magnetic field

Eigenvalue bounds for Schrödinger operators with complex potentials