Flad, Heinz-Jürgen; Flad-Harutyunyan, Gohar Sparse grids approximation of Goldstone diagrams in electronic structure calculations. (English) Zbl 1497.65253 Bungartz, Hans-Joachim (ed.) et al., Sparse grids and applications – Munich 2018. Selected papers based on the presentations at the fifth workshop, SGA2018, Munich, Germany, July 23–27, 2018. Cham: Springer. Lect. Notes Comput. Sci. Eng. 144, 33-51 (2021). MSC: 65N75 PDFBibTeX XMLCite \textit{H.-J. Flad} and \textit{G. Flad-Harutyunyan}, Lect. Notes Comput. Sci. Eng. 144, 33--51 (2021; Zbl 1497.65253) Full Text: DOI
Flad, Heinz-Jürgen; Hackbusch, Wolfgang; Schneider, Reinhold Best \(N\)-term approximation in electronic structure calculations. II: Jastrow factors. (English) Zbl 1135.81029 ESAIM, Math. Model. Numer. Anal. 41, No. 2, 261-279 (2007). MSC: 81V70 41A50 41A63 65Z05 PDFBibTeX XMLCite \textit{H.-J. Flad} et al., ESAIM, Math. Model. Numer. Anal. 41, No. 2, 261--279 (2007; Zbl 1135.81029) Full Text: DOI Numdam EuDML
Fedorov, M. V.; Flad, H.-J.; Chuev, G. N.; Grasedyck, L.; Khoromskij, B. N. A structured low-rank wavelet solver for the Ornstein-Zernike integral equation. (English) Zbl 1117.65170 Computing 80, No. 1, 47-73 (2007). MSC: 65R20 45E10 65T60 PDFBibTeX XMLCite \textit{M. V. Fedorov} et al., Computing 80, No. 1, 47--73 (2007; Zbl 1117.65170) Full Text: DOI
Flad, Heinz-Jürgen; Hackbusch, Wolfgang; Schneider, Reinhold Best \(N\)-term approximation in electronic structure calculations. I: One-electron reduced density matrix. (English) Zbl 1100.81050 ESAIM, Math. Model. Numer. Anal. 40, No. 1, 49-61 (2006). Reviewer: Dietrich Braess (Bochum) MSC: 81V70 65Z05 41A63 PDFBibTeX XMLCite \textit{H.-J. Flad} et al., ESAIM, Math. Model. Numer. Anal. 40, No. 1, 49--61 (2006; Zbl 1100.81050) Full Text: DOI Numdam EuDML