Wendler, Chris, Andisheh Amrollahi, Bastian Seifert, Andreas Krause, and Markus Püschel. 2021. “Learning Set Functions That Are Sparse in Non-Orthogonal Fourier Bases”. Proceedings of the AAAI Conference on Artificial Intelligence 35 (12):10283-92. https://doi.org/10.1609/aaai.v35i12.17232.