@unpublished{Cambridge19,
title = {Least squares regression on sparse grids},
author = {Bastian Bohn},
note = {Invited talk at ASCW01 - Workshop on challenges in optimal recovery and hyperbolic cross approximation \url{https://www.newton.ac.uk/event/ascw01}, Isaac Newton Institute for Mathematical Sciences, Cambridge, UK, February 18-22},
year = {2019},
}