@InProceedings{anshu_et_al:LIPIcs.TQC.2020.7, author = {Anshu, Anurag and Gosset, David and Morenz, Karen}, title = {{Beyond Product State Approximations for a Quantum Analogue of Max Cut}}, booktitle = {15th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC 2020)}, pages = {7:1--7:15}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-146-7}, ISSN = {1868-8969}, year = {2020}, volume = {158}, editor = {Flammia, Steven T.}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.TQC.2020.7}, URN = {urn:nbn:de:0030-drops-120660}, doi = {10.4230/LIPIcs.TQC.2020.7}, annote = {Keywords: Approximation algorithms, Quantum many-body systems} }