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math.AP2019
Microlocal analysis of the bulk-edge correspondence
Alexis Drouot
The bulk-edge correspondence predicts that interfaces between topological insulators support robust currents. We prove this principle for PDEs that are periodic away from an interf…
math.AP2019
The bulk-edge correspondence for continuous honeycomb lattices
Alexis Drouot
We study bulk/edge aspects of continuous honeycomb lattices in a magnetic field. We compute the bulk index of Bloch eigenbundles: it equals or , with sign depending on near…