Grasedyck, Lars; Hackbusch, Wolfgang An introduction to hierarchical (\(\mathcal H\)-) rank and TT-rank of tensors with examples. (English) Zbl 1283.15075 Comput. Methods Appl. Math. 11, No. 3, 291-304 (2011). MSC: 15A69 65F99 PDFBibTeX XMLCite \textit{L. Grasedyck} and \textit{W. Hackbusch}, Comput. Methods Appl. Math. 11, No. 3, 291--304 (2011; Zbl 1283.15075) Full Text: DOI Link
Grasedyck, L.; Hackbusch, W.; Kriemann, R. Performance of H-LU preconditioning for sparse matrices. (English) Zbl 1156.65042 Comput. Methods Appl. Math. 8, No. 4, 336-349 (2008). MSC: 65F35 65F05 65F30 65F50 65N55 PDFBibTeX XMLCite \textit{L. Grasedyck} et al., Comput. Methods Appl. Math. 8, No. 4, 336--349 (2008; Zbl 1156.65042) Full Text: DOI Link