Kim, K. H.; Roush, F. W. Results on undecidability of isomorphism of forms over polynomial rings. (English) Zbl 1090.11073 Algebra Univers. 49, No. 2, 179-189 (2003). Reviewer: Ivan Chajda (Olomouc) MSC: 11U05 11E76 14A10 PDFBibTeX XMLCite \textit{K. H. Kim} and \textit{F. W. Roush}, Algebra Univers. 49, No. 2, 179--189 (2003; Zbl 1090.11073) Full Text: DOI
Kim, K. H.; Roush, F. W. Strong shift equivalence in semigroups. (English) Zbl 0816.20056 Math. Slovaca 44, No. 3, 351-357 (1994). Reviewer: D.Busneag (Craiova) MSC: 20M10 20M50 20M17 PDFBibTeX XMLCite \textit{K. H. Kim} and \textit{F. W. Roush}, Math. Slovaca 44, No. 3, 351--357 (1994; Zbl 0816.20056) Full Text: EuDML
Kim, Ki Hang; Roush, Fred W. On strong shift equivalence over Boolean semiring. (English) Zbl 0574.15005 Ergodic Theory Dyn. Syst. 6, 81-97 (1986). MSC: 15B36 15A30 16S50 05C15 05C50 PDFBibTeX XMLCite \textit{K. H. Kim} and \textit{F. W. Roush}, Ergodic Theory Dyn. Syst. 6, 81--97 (1986; Zbl 0574.15005) Full Text: DOI