Generic asymptotics of resonance counting function for Schrödinger point interactions

Sergio Albeverio, Illya M. Karabash

We study the leading coefficient in the asymptotical formula $N(R)=\frac{W}{\pi }R+O(1)$, $R\to \infty$, for the resonance counting function $N(R)$ of Schrödinger Hamilton…