A literature survey of low‐rank tensor approximation techniques

L Grasedyck, D Kressner, C Tobler - GAMM‐Mitteilungen, 2013 - Wiley Online Library
During the last years, low‐rank tensor approximation has been established as a new tool in
scientific computing to address large‐scale linear and multilinear algebra problems, which …

Tensor numerical methods in quantum chemistry: from Hartree–Fock to excitation energies

V Khoromskaia, BN Khoromskij - Physical Chemistry Chemical Physics, 2015 - pubs.rsc.org
We resume the recent successes of the grid-based tensor numerical methods and discuss
their prospects in real-space electronic structure calculations. These methods, based on the …

Tensor numerical methods for multidimensional PDEs: theoretical analysis and initial applications

BN Khoromskij - ESAIM: Proceedings and Surveys, 2015 - esaim-proc.org
We present a brief survey on the modern tensor numerical methods for multidimensional
stationary and time-dependent partial differential equations (PDEs). The guiding principle of …

Superfast Fourier transform using QTT approximation

S Dolgov, B Khoromskij, D Savostyanov - Journal of Fourier Analysis and …, 2012 - Springer
We propose Fourier transform algorithms using QTT format for data-sparse approximate
representation of one-and multi-dimensional vectors (m-tensors). Although the Fourier …

Tensor-structured factorized calculation of two-electron integrals in a general basis

V Khoromskaia, BN Khoromskij, R Schneider - SIAM Journal on Scientific …, 2013 - SIAM
In this paper, the problem of efficient grid-based computation of the two-electron integrals
(TEI) in a general basis is considered. We introduce the novel multiple tensor factorizations …

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

V Khoromskaia, BN Khoromskij - Computer Physics Communications, 2014 - Elsevier
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 …

A note on tensor chain approximation

M Espig, KK Naraparaju, J Schneider - Computing and Visualization in …, 2012 - Springer
This paper deals with the approximation of d d-dimensional tensors, as discrete
representations of arbitrary functions f (x_1, ..., x_d) f (x 1,…, xd) on 0, 1^ d 0, 1 d, in the so …

Solution Decomposition for the Nonlinear Poisson–Boltzmann Equation Using the Range-Separated Tensor Format

C Kweyu, V Khoromskaia, BN Khoromskij, M Stein… - SIAM Journal on …, 2025 - SIAM
The Poisson–Boltzmann equation (PBE) is an implicit solvent continuum model for
calculating the electrostatic potential and energies of charged biomolecules in ionic …

Range-separated tensor decomposition of the discretized Dirac delta and elliptic operator inverse

BN Khoromskij - Journal of Computational Physics, 2020 - Elsevier
In this paper, we introduce the operator dependent range-separated (RS) tensor
approximation of the discretized Dirac delta function (distribution) in R d. It is constructed by …

Regularization of Poisson--Boltzmann Type Equations with Singular Source Terms Using the Range-Separated Tensor Format

P Benner, V Khoromskaia, B Khoromskij, C Kweyu… - SIAM Journal on …, 2021 - SIAM
In this paper, we present a new regularization scheme for the linearized Poisson--Boltzmann
equation (PBE) which models the electrostatic potential of biomolecules in a solvent. This …