Kobayashi, Yuji Correction to: On rings satisfying the identity \((xy)^ n=x^ ny^ n\). (English) Zbl 0585.16012 Math. Jap. 31, 165-166 (1986). MSC: 16U70 16Rxx PDFBibTeX XMLCite \textit{Y. Kobayashi}, Math. Japon. 31, 165--166 (1986; Zbl 0585.16012)
Kobayashi, Yuji On rings satisfying the identity \((xy)^ n=x^ ny^ n\). (English) Zbl 0552.16015 Math. Jap. 29, 645-654 (1984). Reviewer: H.E.Bell MSC: 16U70 16Rxx PDFBibTeX XMLCite \textit{Y. Kobayashi}, Math. Japon. 29, 645--654 (1984; Zbl 0552.16015)
Kobayashi, Yuji On two conjectures about commutativity of rings. (English) Zbl 0543.16019 Math. Jap. 29, 219-228 (1984). Reviewer: Ş.Buzeţeanu MSC: 16U70 PDFBibTeX XMLCite \textit{Y. Kobayashi}, Math. Japon. 29, 219--228 (1984; Zbl 0543.16019)
Kobayashi, Yuji On the multiplicity of graded algebras. (English) Zbl 0434.13009 Math. Jap. 24, 643-655 (1980). MSC: 13H15 13H99 13D15 PDFBibTeX XMLCite \textit{Y. Kobayashi}, Math. Japon. 24, 643--655 (1980; Zbl 0434.13009)
Kobayashi, Yuji; Tamura, Takayuki Quasi-order preserving homomorphisms of commutative semigroups into the non-negative reals. (English) Zbl 0369.20040 Math. Jap. 22, 267-285 (1977). MSC: 20M15 06F05 PDFBibTeX XMLCite \textit{Y. Kobayashi} and \textit{T. Tamura}, Math. Japon. 22, 267--285 (1977; Zbl 0369.20040)
Kobayashi, Yuji Existence of fundamental systems of ideals of definition on a formal prescheme. (English) Zbl 0243.14002 Math. Jap. 17, 15-19 (1972). MSC: 14A15 PDFBibTeX XMLCite \textit{Y. Kobayashi}, Math. Japon. 17, 15--19 (1972; Zbl 0243.14002)