Honkala, Juha Number systems and the injectivity problem for matrix representations of free monoids. (English) Zbl 1203.20049 Int. J. Algebra Comput. 19, No. 2, 229-233 (2009). Reviewer: Jaak Henno (Tallinn) MSC: 20M05 68Q45 20M20 03D35 PDFBibTeX XMLCite \textit{J. Honkala}, Int. J. Algebra Comput. 19, No. 2, 229--233 (2009; Zbl 1203.20049) Full Text: DOI
Honkala, Juha; Ruohonen, Keijo On the images of \(\mathbb N\)-rational sequences counting multiplicities. (English) Zbl 1103.68579 Int. J. Algebra Comput. 13, No. 3, 303-321 (2003). MSC: 68Q45 11B25 11B37 68Q70 PDFBibTeX XMLCite \textit{J. Honkala} and \textit{K. Ruohonen}, Int. J. Algebra Comput. 13, No. 3, 303--321 (2003; Zbl 1103.68579) Full Text: DOI
Honkala, Juha Results concerning thinness of D0L languages. (English) Zbl 1007.68114 Int. J. Algebra Comput. 10, No. 2, 209-216 (2000). MSC: 68Q45 68Q42 PDFBibTeX XMLCite \textit{J. Honkala}, Int. J. Algebra Comput. 10, No. 2, 209--216 (2000; Zbl 1007.68114) Full Text: DOI
Honkala, Juha On the decidability of some equivalence problems for L algebraic series. (English) Zbl 0879.68066 Int. J. Algebra Comput. 7, No. 3, 339-351 (1997). MSC: 68Q45 PDFBibTeX XMLCite \textit{J. Honkala}, Int. J. Algebra Comput. 7, No. 3, 339--351 (1997; Zbl 0879.68066) Full Text: DOI