Abstract: One of the primary objectives of 2-D inverse scattering problems (ISPs) is to accurately characterize the nature of an unknown tomographic domain based on the collected scattered field data.

Abstract: Nonlinear media are the building blocks for nonlinear optical devices. The parameter retrieval of nonlinear media is an important problem for nonlinear optics. However, the maturity and ...

Few researchers have addressed the issue of the causality between public deficit and economic growth. Previous work has ...

Discover how to calculate covariance to assess stock relationships and optimize your portfolio, balancing risk and potential ...