Michael Melgaard

The Friedrichs extension of the Aharonov-Bohm Hamiltonian on a disc

Schrödinger operators with singular potentials.

Negative discrete spectrum of perturbed multivortex Aharonov-Bohm Hamiltonians.

Eigenvalue asymptotics for even-dimensioanl perturbed Dirac and Schrödinger operators with constant magnetic fields

Lieb-Thirring inequality for the Aharonov-Bohm Hamiltonian and eigenvalue estimates

On bound states for systems of weakly coupled Schrödinger equations in one space dimension

A new approach to quantum scattering near the lowest Landau threshold for a Schrödinger operator with a constant magnetic field

Spectral properties at a threshold for two-channel Hamiltonians. I. Abstract theory

Spectral properties at a threshold for two-channel Hamiltonians. II. Applications to scattering theory

Spectral properties in the low-energy limit of one-dimensional Schrödinger operators $H=-d^2/dx^2+V$. The case $\langle 1, V1 \rangle \neq 0$