research
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07/30/2023
HODLR3D: Hierarchical matrices for N-body problems in three dimensions
This article introduces HODLR3D, a class of hierarchical matrices arisin...
research
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01/30/2023
Algebraic Inverse Fast Multipole Method: A fast direct solver that is better than HODLR based fast direct solver
This article presents a fast direct solver, termed Algebraic Inverse Fas...
research
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09/13/2022
Numerical rank of singular kernel functions
We study the rank of sub-matrices arising out of kernel functions, F(x,y...
research
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04/12/2022
HODLR2D: A new class of Hierarchical matrices
This article introduces HODLR2D, a new hierarchical low-rank representat...
research
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04/01/2022
A new Directional Algebraic Fast Multipole Method based iterative solver for the Lippmann-Schwinger equation accelerated with HODLR preconditioner
We present a fast iterative solver for scattering problems in 2D, where ...
research
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03/28/2022