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math.SP2011
Remark on Spectral Rigidity for Magnetic Schrödinger Operators
Gregory Eskin, James Ralston
We give a simple proof of Guillemin's theorem on the determination of the magnetic field on the torus by the spectrum of the corresponding Schrödinger operator.
math.AP2011★ 1 cited
Artificial black holes
Gregory Eskin
We study black holes for the linear hyperbolic equations describing the wave propagation in the moving medium. Such black holes are called artificial since the Lorentz metric assoc…