hlib

HLib is a library for hierarchical matrices that was written by Lars Grasedyck and Steffen Börm. Most routines are written in the C programming language using BLAS and LAPACK for lower-level algebraic operations. The library contains functions for H- and H2-matrix arithmetics, the treatment of partial differential equations and a number of integral operators as well as support routines for the creation of cluster trees, visualization and numerical quadrature. This is a work in progress, so there may be undiscovered errors and you can expect new features to appear with every new release.

Keywords for this software

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References in zbMATH (referenced in 56 articles , 1 standard article )

Showing results 1 to 20 of 56.
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  1. Ayala, Alan; Claeys, Xavier; Grigori, Laura: Linear-time CUR approximation of BEM matrices (2020)
  2. Keßler, Torsten; Rjasanow, Sergej; Weißer, Steffen: Vlasov-Poisson system tackled by particle simulation utilizing boundary element methods (2020)
  3. Massei, Stefano; Robol, Leonardo; Kressner, Daniel: Hm-toolbox: MATLAB software for HODLR and HSS matrices (2020)
  4. Alger, Nick; Rao, Vishwas; Myers, Aaron; Bui-Thanh, Tan; Ghattas, Omar: Scalable Matrix-free adaptive product-convolution approximation for locally translation-invariant operators (2019)
  5. Boukaram, Wajih; Turkiyyah, George; Keyes, David: Randomized GPU algorithms for the construction of hierarchical matrices from matrix-vector operations (2019)
  6. Dölz, Jürgen; Harbrecht, Helmut; Multerer, Michael D.: On the best approximation of the hierarchical matrix product (2019)
  7. Dölz, Jürgen; Kurz, Stefan; Schöps, Sebastian; Wolf, Felix: Isogeometric boundary elements in electromagnetism: rigorous analysis, fast methods, and examples (2019)
  8. Karkulik, Michael; Melenk, Jens Markus: (\mathscrH)-matrix approximability of inverses of discretizations of the fractional Laplacian (2019)
  9. Kressner, Daniel; Massei, Stefano; Robol, Leonardo: Low-rank updates and a divide-and-conquer method for linear matrix equations (2019)
  10. Börm, Steffen: Adaptive compression of large vectors (2018)
  11. Dölz, Jürgen; Harbrecht, Helmut: Hierarchical matrix approximation for the uncertainty quantification of potentials on random domains (2018)
  12. Feischl, Michael; Kuo, Frances Y.; Sloan, Ian H.: Fast random field generation with (H)-matrices (2018)
  13. Xing, Xin; Chow, Edmond: Preserving positive definiteness in hierarchically semiseparable matrix approximations (2018)
  14. Betcke, Timo; van’t Wout, Elwin; Gélat, Pierre: Computationally efficient boundary element methods for high-frequency Helmholtz problems in unbounded domains (2017)
  15. Börm, Steffen; Melenk, Jens M.: Approximation of the high-frequency Helmholtz kernel by nested directional interpolation: error analysis (2017)
  16. Corona, Eduardo; Rahimian, Abtin; Zorin, Denis: A tensor-train accelerated solver for integral equations in complex geometries (2017)
  17. Dölz, J.; Harbrecht, H.; Peters, M. D.: (\mathcalH)-matrix based second moment analysis for rough random fields and finite element discretizations (2017)
  18. Dölz, J.; Harbrecht, H.; Schwab, Ch.: Covariance regularity and (\mathcalH)-matrix approximation for rough random fields (2017)
  19. Pan, Victor Y.: Fast approximate computations with Cauchy matrices and polynomials (2017)
  20. Vasconcelos, Paulo B.: Data-sparse approximation on the computation of a weakly singular Fredholm equation: a stellar radiative transfer application (2017)

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Further publications can be found at: http://www.hmatrix.org/literature.html