Approximations of interface topological invariants

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DOI10.1137/23m1568387zbMath1547.35474MaRDI QIDQ6598466

Unnamed Author, Guillaume Bal

Publication date: 5 September 2024

Published in: SIAM Journal on Mathematical Analysis (Search for Journal in Brave)

zbMATH Keywords

pseudodifferential operator topological insulator periodic approximation semiclassical calculus bulk-interface correspondence

Mathematics Subject Classification ID

Estimates of eigenvalues in context of PDEs (35P15) Functional calculus for linear operators (47A60) PDEs in connection with quantum mechanics (35Q40) Perturbation theories for operators and differential equations in quantum theory (81Q15) Semiclassical techniques, including WKB and Maslov methods applied to problems in quantum theory (81Q20) Pseudodifferential operators (47G30)

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