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A non-Hermitian extension of a Chern insulator and its bulk-boundary correspondence are investigated. It is shown that in… Expand We outline a general perturbative method of evaluating scattering features of finite-range complex potentials and use it to… Expand We show that in one dimension the transfer matrix M of any scattering potential v coincides with the S-matrix of an associated… Expand Bragg scattering in sinusoidal -symmetric complex crystals of finite thickness is theoretically investigated by the derivation of… Expand Transmission-line (TL) metamaterials possessing effective material parameters that are diagonal in the Cartesian basis have been… Expand The hypothesis that possessing multiple subordinate-group identities renders a person “invisible” relative to those with a single… Expand Introduction page 417 What is special about aquatic conservation? 418 Differences between aquatic and terrestrial environments… Expand Title VII of the Civil Rights Act of 1964 outlaws discrimination in employment based on, among other things, national origin. The… Expand This is, in part, an effort to gain perspective on our constructs and our categories, to break through what Dewey once called… Expand In this paper, we discuss the important problem of invisibility that is inherent in the task of developing large software systems… Expand