%0 Journal Article %A August, Moritz %A BaƱuls, Mari Carmen %A Huckle, Thomas %T On the approximation of functionals of very large Hermitian matrices represented as matrix product operators %J Electronic transactions on numerical analysis %D 2017 %P 215-232 %V 46 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2017__46__a3/ %G en %F ETNA_2017__46__a3