Grid-based lattice summation of electrostatic potentials by assembled rank-structured tensor approximation

Abstract

Our recent method for low-rank tensor representation of sums of the arbitrarily positioned electrostatic potentials discretized on a 3D Cartesian grid reduces the 3D tensor summation to operations involving only 1D vectors however retaining the linear complexity scaling in the number of potentials. Here, we introduce and study a novel tensor approach for… (More)
DOI: 10.1016/j.cpc.2014.08.015

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