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Tight frames of exponentially decaying Wannier functions. (English) Zbl 1154.82028

MSC:
82D20 Statistical mechanical studies of solids
35P05 General topics in linear spectral theory for PDEs
81Q10 Selfadjoint operator theory in quantum theory, including spectral analysis
78A60 Lasers, masers, optical bistability, nonlinear optics
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