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Combinatorics on Words: Christoffel Words and Repetitions in Words

Combinatorics on Words: Christoffel Words and Repetitions in Words

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176 BIBLIOGRAPHY[Gus1997] D. Gusfield. Algorithms <strong>on</strong> str<strong>in</strong>gs, trees, <strong>and</strong> sequences. Cambridge UniversityPress, Cambridge, 1997. Computer science <strong>and</strong> computati<strong>on</strong>al biology.↑146, 149, 153[GS2002] D. Gusfield <strong>and</strong> J. Stoye. Simple <strong>and</strong> flexible detecti<strong>on</strong> of c<strong>on</strong>tiguousrepeats us<strong>in</strong>g a suffix tree (prelim<strong>in</strong>ary versi<strong>on</strong>). Theoret. Comput. Sci. 270 (1-2):843–856, 2002. ↑154[Hal1964] M. Jr. Hall. Generators <strong>and</strong> relati<strong>on</strong>s <strong>in</strong> groups—The Burnside problem.In Lectures <strong>on</strong> modern mathematics, vol. ii, pages 42–92. 1964. ↑121[HYY2003] H. K. Hsiao, Y. T. Yeh, <strong>and</strong> S. S. Yu. Square-free-preserv<strong>in</strong>g <strong>and</strong>primitive-preserv<strong>in</strong>g homomorphisms. Acta Math. Hungar. 101 (1-2):113–130,2003. ↑125[Ili2007] L. Ilie. A note <strong>on</strong> the number of squares <strong>in</strong> a word. Theoretical ComputerScience 380 (3):373–376, 2007. ↑137[Jac1956] N. Jacobs<strong>on</strong>. Structure of r<strong>in</strong>gs. American Mathematical Society, ColloquiumPublicati<strong>on</strong>s, vol. 37. American Mathematical Society, 190 Hope Street,Prov., R. I., 1956. ↑168[JZ2004] O. Jenk<strong>in</strong>s<strong>on</strong> <strong>and</strong> L. Q. Zamb<strong>on</strong>i. Characterisati<strong>on</strong>s of balanced words viaorder<strong>in</strong>gs. Theoret. Comput. Sci. 310 (1-3):247–271, 2004. ↑52[Jus2005] J. Just<strong>in</strong>. Episturmian morphisms <strong>and</strong> a Galois theorem <strong>on</strong> c<strong>on</strong>t<strong>in</strong>uedfracti<strong>on</strong>s. Theor. Inform. Appl. 39 (1):207–215, 2005. ↑30, 36[KR2007] C. Kassel <strong>and</strong> C. Reutenauer. Sturmian morphisms, the braid group B 4 ,<strong>Christoffel</strong> words <strong>and</strong> bases of F 2 . Ann. Mat. Pura Appl. (4) 186 (2):317–339,2007. ↑43[Ker1986] V. Keränen. On the k-freeness of morphisms <strong>on</strong> free m<strong>on</strong>oids. Ann. Acad.Sci. Fenn. Ser. A I Math. Dissertati<strong>on</strong>es 61:55, 1986. ↑130[Ker1987] V. Keränen. On the k-freeness of morphisms <strong>on</strong> free m<strong>on</strong>oids. In STACS87 (Passau, 1987), pages 180–188. 1987. ↑130[Ker1992] V. Keränen. Abelian squares are avoidable <strong>on</strong> 4 letters. In Automata,languages <strong>and</strong> programm<strong>in</strong>g (Vienna, 1992), pages 41–52. 1992. ↑161[KK1999a] R. Kolpakov <strong>and</strong> G. Kucherov. F<strong>in</strong>d<strong>in</strong>g maximal repetiti<strong>on</strong>s <strong>in</strong> a word<strong>in</strong> l<strong>in</strong>ear time. In 40th annual symposium <strong>on</strong> foundati<strong>on</strong>s of computer science(New York, 1999), pages 596–604. 1999. ↑158[KK1999b] R. Kolpakov <strong>and</strong> G. Kucherov. On maximal repetiti<strong>on</strong>s <strong>in</strong> words. InFundamentals of computati<strong>on</strong> theory (Iaşi, 1999), pages 374–385. 1999. ↑158[KZ1873] A. Kork<strong>in</strong>e <strong>and</strong> G. Zolotareff. Sur les formes quadratiques. Math. Ann. 6(3):366–389, 1873. ↑67[LS1993] G. M. L<strong>and</strong>au <strong>and</strong> J. P. Schmidt. An algorithm for approximate t<strong>and</strong>emrepeats. In Proc. 4th annual symposium <strong>on</strong> comb. pattern match<strong>in</strong>g, pages 120–133. 1993. ↑154

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