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math.AP2023
Guided modes in a hexagonal periodic graph like domain
Bérangère Delourme, Sonia Fliss
This paper deals with the existence of guided waves and edge states in particular two-dimensional media obtained by perturbing a reference periodic medium with honeycomb symmetry.…
math.AP2023
Wave propagation in one-dimensional quasiperiodic media
Pierre Amenoagbadji, Sonia Fliss, Patrick Joly
This work is devoted to the resolution of the Helmholtz equation in a one-dimensional unbounded medium. We assume the coefficients of this equation to be loc…