227 citations · 812 across the 43 of their papers we have counts for
Showing 2012 · math-phShow all
2 papers · 2 filters
math-ph2012★ 9 cited
Spectral theory of semibounded Schrödinger operators with -interactions
Aleksey Kostenko, Mark Malamud
We study spectral properties of Hamiltonians $\rH_{X,\gB,q}$ with -point interactions on a discrete set . %at the centers on the positive…
math-ph2012
Schrödinger operators with concentric -shells
Sergio Albeverio, Aleksey Kostenko, Mark Malamud +1
We investigate the spectral properties of the Schrödinger operators in with a singular interaction supported by an infinite family of concentric spheres $$ \mat…