Approximation of Dirac operators with $\hat{\mathbf{I}}´$-shell potentials in the norm resolvent sense, I. Qualitative results

Jussi Behrndt, Markus Holzmann, Christian Stelzer

In this paper the approximation of Dirac operators with general $\hat{I}´$-shell potentials supported on $C^2$-curves in ${\mathbb{R}}^2$ or $C^2$-surfaces in ${\mathbb{R}}^3$, which may be…