Carratalá Sáez, Rocío(Universitat Politècnica de València, 2016-09-02)
[EN] Hierarchical matrices are a numerical tool for representing, in a sparse way and in a linear-logarithmic storage cost, dense problems that arise in integral and partial differential equations. For some basic linear ...
Vico Bondía, Felipe; Greengard, Leslie; Gimbutas, Zydrunas(Springer Verlag (Germany), 2014-11)
We present a systematic analysis of the integral operators of potential theory that arise when solving the Helmholtz or Maxwell equations in the exterior (or interior) of a sphere in the frequency domain. After obtaining ...