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Mobile Activism and Contentious Politics in Contemporary China

Digital telecommunication technology has expanded the mobile phone’s role for being increasingly used as a weapon against authoritarian regimes around the world in recent years. The proliferation of mobile phones in China also nurtures growing mobile-phone–facilitated popular protests, with the increasing use of mobile media as a key resource for not just proliferating censored information, but al

Inverse scattering for anisotropic mirror image invariant media

Basic tools to solve an inverse scattering problem for anisotropic media are developed. A transient electromagnetic field impinges upon a slab of anisotropic dispersive medium. The scattering kernels map the incident field to the scattered fields. The inverse scattering problem is to reconstruct the components of the matrix susceptibility kernel from knowledge of the scattering kernels. The method