%0 Journal Article %A Philipp Trunschke %A Martin Eigel %A Anthony Nouy %T Weighted sparsity and sparse tensor networks for least squares approximation %J The SMAI Journal of computational mathematics %D 2025 %P 289-333 %V 11 %I Société de Mathématiques Appliquées et Industrielles %U https://smai-jcm.centre-mersenne.org/articles/10.5802/smai-jcm.126/ %R 10.5802/smai-jcm.126 %G en %F SMAI-JCM_2025__11__289_0