@InProceedings{chakaravarthy_et_al:LIPIcs.FSTTCS.2010.251, author = {Chakaravarthy, Venkatesan T. and Pandit, Vinayaka and Roy, Sambuddha and Sabharwal, Yogish}, title = {{Finding Independent Sets in Unions of Perfect Graphs}}, booktitle = {IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2010)}, pages = {251--259}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-939897-23-1}, ISSN = {1868-8969}, year = {2010}, volume = {8}, editor = {Lodaya, Kamal and Mahajan, Meena}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.FSTTCS.2010.251}, URN = {urn:nbn:de:0030-drops-28683}, doi = {10.4230/LIPIcs.FSTTCS.2010.251}, annote = {Keywords: Approximation Algorithms; Comparability Graphs; Hardness of approximation} }