Media type: E-Article Title: PRESENTATION LENGTH AND SIMON'S CONJECTURE Contributor: AGOL, IAN; LIU, YI imprint: American Mathematical Society, 2012 Published in: Journal of the American Mathematical Society Language: English DOI: 10.1090/S0894-0347-2011-00711-X ISSN: 0894-0347; 1088-6834 Origination: Footnote: Access State: Open Access