@InProceedings{hothem_et_al:LIPIcs.TQC.2023.6, author = {Hothem, Daniel and Parekh, Ojas and Thompson, Kevin}, title = {{Improved Approximations for Extremal Eigenvalues of Sparse Hamiltonians}}, booktitle = {18th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC 2023)}, pages = {6:1--6:10}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-283-9}, ISSN = {1868-8969}, year = {2023}, volume = {266}, editor = {Fawzi, Omar and Walter, Michael}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.TQC.2023.6}, URN = {urn:nbn:de:0030-drops-183163}, doi = {10.4230/LIPIcs.TQC.2023.6}, annote = {Keywords: Approximation algorithms, Extremal eigenvalues, Sparse Hamiltonians, Fermionic Hamiltonians, Qubit Hamiltonians} }