@ARTICLE { AUTHOR = "Djamal Belazzougui and Gonzalo Navarro", TITLE ="Optimal Lower and Upper Bounds for Representing Sequences", JOURNAL = "ACM Transactions on Algorithms", VOLUME = "11", NUMBER = "4", PAGES = "article 31", YEAR = "2015", PUBLISHER = "ACM Press", ADDRESS = "New York, NY, USA", ISSN = "1549-6325" }