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On the Spectrum Discreteness for the Magnetic Schrödinger Operator on Quantum Graphs
Popov, Igor Y.,Belolipetskaia, Anna G. Department of Mathematics 2021 Kyungpook mathematical journal Vol.61 No.2
The aim of this work is to study the discreteness of the spectrum of the Schrödinger operator on infinite quantum graphs in a magnetic field. The problem was solved on a set of quantum graphs of a special kind.