To appear |
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Volker Diekert, Tero Harju, and Dirk Nowotka. Weinbaum factorizations of primitive words. Izvestiya VUZ Matematika, to appear. |
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Tero Harju and Dirk Nowotka. Periodicity and unbordered words: A proof of the extended duval conjecture. J. Assoc. Comput. Mach., to appear. |
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2006 |
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Tero Harju and Dirk Nowotka. Binary words with few squares. Bull. EATCS, 89:164–166, June 2006. |
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Tero Harju and Dirk Nowotka. On unique factorizations of primitive words. Theoret. Comput. Sci., 356(1–2):186–189, 2006. |
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Tero Harju and Dirk Nowotka. Periods in word extensions. Acta Inform., 43(2):165–171, 2006. |
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2005 |
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Tero Harju, Arto Lepistö, and Dirk Nowotka. A characterization of periodicity of bi-infinite words. Theoret. Comput. Sci., 347(1–2):419–422, 2005. |
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Tero Harju and Dirk Nowotka. On the equation  in a free semigroup. Theoret. Comput. Sci., 330(1):117–121, 2005. |
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Tero Harju and Dirk Nowotka. Counting bordered and primitive words with a fixed weight. Theoret. Comput. Sci., 340(2):273–279, 2005. |
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2004 |
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Tero Harju and Dirk Nowotka. Periodicity and unbordered words. In STACS 2004 (Montpellier), volume 2996 of Lecture Notes in Comput. Sci., pages 294–304, Berlin, 2004. Springer-Verlag. |
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Tero Harju and Dirk Nowotka. The equation  in a free semigroup. Semigroup Forum, 68(3):488–490, 2004. |
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Tero Harju and Dirk Nowotka. Minimal Duval extensions. Internat. J.,Found. Comput. Sci., 15(2):349–354, 2004. |
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Tero Harju and Dirk Nowotka. Border correlation of binary words. J. Combin. Theory, Ser A, 108(2):331–341, 2004. |
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Dirk Nowotka. Periodicity and unbordered factors of words. PhD thesis, University of Turku, 2004. |
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2003 |
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Tero Harju and Dirk Nowotka. About Duval extensions. In T. Harju and J. Karhumäki, editors, WORDS 2003 (Turku), volume 27 of TUCS General Publications, pages 392–397, Finland, August 2003. Turku Centre of Computer Science. |
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Tero Harju and Dirk Nowotka. On the independence of equations in three variables. Theoret. Comput. Sci., 307(1):139–172, 2003. |
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Tero Harju and Dirk Nowotka. Periodicity and unbordered segments of words. Bull. EATCS, 80:162–167, 2003. |
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Tero Harju and Dirk Nowotka. About Duval's conjecture. In Z. Esik and Z. Fülöp, editors, DLT 2003 (Szeged), volume 2710 of Lecture Notes in Comput. Sci., pages 316–324, Berlin, 2003. Springer-Verlag. |
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2002 |
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Tero Harju and Dirk Nowotka. Density of critical factorizations. Theor. Inform. Appl., 36(3):315–327, 2002. |
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Tero Harju and Dirk Nowotka. Duval's conjecture and Lyndon words. TUCS Tech. Rep. 479, Turku Centre of Computer Science, Finland, 2002. Submitted. |
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2000 |
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Marco Benini, Dirk Nowotka, and Carl Pulley. Computer arithmetic: Logic, calculation, and rewriting. In D. Gabbay and M. de Rijke, editors, FroCoS 1998 (Amsterdam), volume 7 of Studies in Logic and Computation, pages 77–93, Baldock, 2000. Research Studies Press Ltd. |
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1998 |
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Marco Benini, Sara Kalvala, and Dirk Nowotka. Program abstraction in a higher-order logic framework. In J. Grundy and M. Newey, editors, TPHOLs 1998 (Canberra), volume 1479 of Lecture Notes in Comput. Sci., pages 33–48, Berlin, 1998. Springer-Verlag. |
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