Computation of extreme eigenvalues in higher dimensions using block tensor train format.

Sergey V. Dolgov Boris N. Khoromskij Ivan V. Oseledets Dmitry V. Savostyanov Computation of extreme eigenvalues in higher dimensions using block tensor train format. 1207-1216 2014 185 Comput. Phys. Commun. 4 https://doi.org/10.1016/j.cpc.2013.12.017 db/journals/cphysics/cphysics185.html#DolgovKOS14