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Creators/Authors contains: "Tao, Zhongkai"

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  1. (, Proceedings of the American Mathematical Society)
    In this paper we consider 0-th order pseudodifferential operators on the circle. We show that inside any interval disjoint from the critical values of the principal symbol, the spectrum is absolutely continuous with possibly finitely many embedded eigenvalues. We also give an example of embedded eigenvalues. 
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