English

Embedded eigenvalues of generalized Schr\"odinger operators

Mathematical Physics 2017-09-21 v1 math.MP Spectral Theory

Abstract

We provide examples of operators T(D)+VT(D)+V with decaying potentials that have embedded eigenvalues. The decay of the potential depends on the curvature of the Fermi surfaces of constant kinetic energy TT. We make the connection to counterexamples in Fourier restriction theory.

Keywords

Cite

@article{arxiv.1709.06989,
  title  = {Embedded eigenvalues of generalized Schr\"odinger operators},
  author = {Jean-Claude Cuenin},
  journal= {arXiv preprint arXiv:1709.06989},
  year   = {2017}
}

Comments

18 pages; comments welcome

R2 v1 2026-06-22T21:49:43.977Z