Counterexample to the Laptev–Safronov conjecture by Sabine Bögli, Jean-Claude Cuenin

“…Laptev and Safronov (Commun Math Phys 292(1):29–54, 2009) conjectured an inequality between the magnitude of eigenvalues of a non-self-adjoint Schrödinger operator on Rd, d≥ 2 , and an Lq norm of the potential, for any q∈ [d/ 2 , d]. …”
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