
This is a survey of recent progress on the irreducibility of Fermi varieties, rigidity results, and embedded eigenvalue problems of discrete periodic Schrödinger operators.
Mathematics - Spectral Theory, FOS: Mathematics, FOS: Physical sciences, Mathematical Physics (math-ph), Spectral Theory (math.SP), Mathematical Physics
Mathematics - Spectral Theory, FOS: Mathematics, FOS: Physical sciences, Mathematical Physics (math-ph), Spectral Theory (math.SP), Mathematical Physics
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