A butterfly-based direct combined-field integral-equation (CFIE) solver for analyzing
scattering from electrically large, perfect electrically conducting objects is presented. The …

This paper reviews a series of fast direct solution methods for electromagnetic scattering
analysis, aiming to significantly alleviate the problems of slow or even non-convergence of …

The multilevel matrix decomposition algorithm (MLMDA) is shown to permit effective
compression of inverse integral operators pertinent to the analysis of scattering from …

A modified hierarchically off-diagonal low-rank (HODLR) fast direct solver is presented to
analyze the scattering by electrically large and complex perfect electric conducting objects …

This article presents a fast direct solver based on surface integral equation (SIE) to solve
electromagnetic (EM) scattering from homogeneous penetrable objects. The proposed …

A butterfly‐based hierarchical LU factorization scheme for solving the PMCHWT equations
for analyzing scattering from homogenous dielectric objects is presented. The proposed …

In this article, a fast direct solver based on strong admissibility skeletonization factorization
(SASF) is proposed for electromagnetic scattering from conducting objects. Different from the …

Maximum likelihood estimation is an essential tool in the procedure to impute missing data
in climate/weather applications. By defining a particular statistical model, the maximum …

An H-matrices compressed multiplicative Schwarz (MS) preconditioner for the nonconformal
finite-element method (FEM)-boundary element method (BEM)-Domain decomposition …

A fast direct surface integral equation (SIE) solver based on a novel skeletonization
factorization scheme is proposed for electromagnetic scattering from electrically large and …