Nobusawa, Nobuo \(\Gamma\)-rings and Morita equivalence of rings. (English) Zbl 0602.16033 Math. J. Okayama Univ. 26, 151-156 (1984). Reviewer: S.Baskaran MSC: 16D90 16Y60 16Dxx 16W20 PDF BibTeX XML Cite \textit{N. Nobusawa}, Math. J. Okayama Univ. 26, 151--156 (1984; Zbl 0602.16033)
Trzepizur, Andrzej On some conditions for the commutativity of semiprime differential rings. (Sur certaines conditions pour la commutativité des anneaux différentiels semi-premiers.) (French) Zbl 0596.16029 Math. J. Okayama Univ. 26, 129-131 (1984). Reviewer: Şerban Buzeţeanu MSC: 16U70 16N60 16W20 PDF BibTeX XML Cite \textit{A. Trzepizur}, Math. J. Okayama Univ. 26, 129--131 (1984; Zbl 0596.16029)
Ito, Noboru The spectrum of a conjugacy class graph of a finite group. (English) Zbl 0581.20005 Math. J. Okayama Univ. 26, 1-10 (1984). Reviewer: J.S.Williams MSC: 20C15 05C25 20C30 20F65 20B30 PDF BibTeX XML Cite \textit{N. Ito}, Math. J. Okayama Univ. 26, 1--10 (1984; Zbl 0581.20005)
Sanemasa, Mitsuru Some p-Galois extensions of commutative rings. (English) Zbl 0581.13005 Math. J. Okayama Univ. 26, 43-48 (1984). Reviewer: A.R.Magid MSC: 13B05 46J10 PDF BibTeX XML Cite \textit{M. Sanemasa}, Math. J. Okayama Univ. 26, 43--48 (1984; Zbl 0581.13005)
Kishimoto, Kazuo On connectedness of strongly Abelian extensions of rings. (English) Zbl 0578.16021 Math. J. Okayama Univ. 26, 59-70 (1984). Reviewer: A.C.Mewborn MSC: 16W20 16S20 16W60 16U99 16H05 PDF BibTeX XML Cite \textit{K. Kishimoto}, Math. J. Okayama Univ. 26, 59--70 (1984; Zbl 0578.16021)
Ôhori, Masayuki On non-commutative generalized p.p. rings. (English) Zbl 0577.16003 Math. J. Okayama Univ. 26, 157-167 (1984). Reviewer: A.W.Chatters MSC: 16U30 16P60 16D70 16U99 PDF BibTeX XML Cite \textit{M. Ôhori}, Math. J. Okayama Univ. 26, 157--167 (1984; Zbl 0577.16003)
Faith, Carl Galois subrings of independent automorphism groups of commutative rings are quorite. (English) Zbl 0576.13002 Math. J. Okayama Univ. 26, 23-25 (1984). Reviewer: A.R.Magid MSC: 13B10 14L24 PDF BibTeX XML Cite \textit{C. Faith}, Math. J. Okayama Univ. 26, 23--25 (1984; Zbl 0576.13002)
Hirano, Yasuyuki; Tominaga, Hisao Some commutativity theorems for prime rings with derivations and differentially semiprime rings. (English) Zbl 0575.16016 Math. J. Okayama Univ. 26, 101-108 (1984). Reviewer: D.A.Jordan MSC: 16U70 16W20 16N60 PDF BibTeX XML Cite \textit{Y. Hirano} and \textit{H. Tominaga}, Math. J. Okayama Univ. 26, 101--108 (1984; Zbl 0575.16016)
Kamiya, Shigeyasu On some series associated with discrete subgroups of U(1,n;\({\mathbb{C}})\). (English) Zbl 0572.30035 Math. J. Okayama Univ. 26, 193-197 (1984). Reviewer: A.F.Beardon MSC: 30F35 20H10 PDF BibTeX XML Cite \textit{S. Kamiya}, Math. J. Okayama Univ. 26, 193--197 (1984; Zbl 0572.30035)
Hirano, Yasuyuki; Yamakawa, Hirofumi On nil and nilpotent derivations. (English) Zbl 0572.16021 Math. J. Okayama Univ. 26, 137-141 (1984). Reviewer: L.O.Chung MSC: 16W20 16N60 PDF BibTeX XML Cite \textit{Y. Hirano} and \textit{H. Yamakawa}, Math. J. Okayama Univ. 26, 137--141 (1984; Zbl 0572.16021)
Suyama, Yoshihiko Riemannian manifolds admitting commutative Killing vector fields. (English) Zbl 0571.53029 Math. J. Okayama Univ. 26, 199-218 (1984). Reviewer: G.Tsagas MSC: 53C20 53B20 PDF BibTeX XML Cite \textit{Y. Suyama}, Math. J. Okayama Univ. 26, 199--218 (1984; Zbl 0571.53029)
Tominaga, Hisao; Yaqub, Adil A commutativity theorem for one-sided s-unital rings. (English) Zbl 0571.16016 Math. J. Okayama Univ. 26, 125-128 (1984). Reviewer: Y.Xu MSC: 16U70 16Rxx 16U80 PDF BibTeX XML Cite \textit{H. Tominaga} and \textit{A. Yaqub}, Math. J. Okayama Univ. 26, 125--128 (1984; Zbl 0571.16016)
Kamiya, Shigeyasu On subgroups of convergence or divergence type of U(1,n;\({\mathbb{C}})\). (English) Zbl 0569.30036 Math. J. Okayama Univ. 26, 179-191 (1984). Reviewer: A.F.Beardon MSC: 30F35 20H10 PDF BibTeX XML Cite \textit{S. Kamiya}, Math. J. Okayama Univ. 26, 179--191 (1984; Zbl 0569.30036)
Tominaga, Hisao; Yaqub, Adil Commutativity theorems for rings with a commutative subset or a nil subset. (English) Zbl 0569.16025 Math. J. Okayama Univ. 26, 119-124 (1984). Reviewer: A.Kashu MSC: 16U70 16Rxx PDF BibTeX XML Cite \textit{H. Tominaga} and \textit{A. Yaqub}, Math. J. Okayama Univ. 26, 119--124 (1984; Zbl 0569.16025)
Komatsu, Hiroaki A commutativity theorem for rings. (English) Zbl 0568.16017 Math. J. Okayama Univ. 26, 109-111 (1984). Reviewer: M.Ştefănescu MSC: 16U70 PDF BibTeX XML Cite \textit{H. Komatsu}, Math. J. Okayama Univ. 26, 109--111 (1984; Zbl 0568.16017)
Katayama, Hisao On completely torsionfree modules. (English) Zbl 0567.16016 Math. J. Okayama Univ. 26, 143-149 (1984). Reviewer: Ladislav Bican (Praha) MSC: 16S90 16D80 16Nxx PDF BibTeX XML Cite \textit{H. Katayama}, Math. J. Okayama Univ. 26, 143--149 (1984; Zbl 0567.16016)
Nakajima, Atsushi; Yokogawa, Kenji Commutativity of Hopf Galois extensions with Hopf algebras of derivation type. (English) Zbl 0566.16021 Math. J. Okayama Univ. 26, 91-99 (1984). Reviewer: H.F.Kreimer MSC: 16W20 16U70 16H05 16W30 PDF BibTeX XML Cite \textit{A. Nakajima} and \textit{K. Yokogawa}, Math. J. Okayama Univ. 26, 91--99 (1984; Zbl 0566.16021)
Tominaga, Hisao; Johns, Baxter Note on right s-idempotent ideals. (English) Zbl 0565.16021 Math. J. Okayama Univ. 26, 175-178 (1984). Reviewer: Ch.Lanski MSC: 16Dxx 16N60 16P60 PDF BibTeX XML Cite \textit{H. Tominaga} and \textit{B. Johns}, Math. J. Okayama Univ. 26, 175--178 (1984; Zbl 0565.16021)
Nagahara, Takasi Some H-separable polynomials of degree 2. (English) Zbl 0565.16004 Math. J. Okayama Univ. 26, 87-90 (1984). Reviewer: G.A.Noskov MSC: 16W60 PDF BibTeX XML Cite \textit{T. Nagahara}, Math. J. Okayama Univ. 26, 87--90 (1984; Zbl 0565.16004)
Nagahara, Takasi On splitting rings of separable skew polynomials. (English) Zbl 0565.16003 Math. J. Okayama Univ. 26, 71-85 (1984). Reviewer: G.A.Noskov MSC: 16W50 16D30 PDF BibTeX XML Cite \textit{T. Nagahara}, Math. J. Okayama Univ. 26, 71--85 (1984; Zbl 0565.16003)
Ikehata, Shûichi Azumaya algebras and skew polynomial rings. II. (English) Zbl 0565.16002 Math. J. Okayama Univ. 26, 49-57 (1984). Reviewer: D.A.Jordan MSC: 16W60 16H05 16W20 16S20 PDF BibTeX XML Cite \textit{S. Ikehata}, Math. J. Okayama Univ. 26, 49--57 (1984; Zbl 0565.16002)
Ninomiya, Yasushi On a theorem of S. Koshitani. (English) Zbl 0564.20005 Math. J. Okayama Univ. 26, 19-22 (1984). Reviewer: W.Hamernik MSC: 20C20 20C05 16S34 PDF BibTeX XML Cite \textit{Y. Ninomiya}, Math. J. Okayama Univ. 26, 19--22 (1984; Zbl 0564.20005)
Yamini, Amir H. Some commutativity results for rings with certain polynomial identities. (English) Zbl 0564.16032 Math. J. Okayama Univ. 26, 133-136 (1984). Reviewer: H.E.Bell MSC: 16U70 16Rxx PDF BibTeX XML Cite \textit{A. H. Yamini}, Math. J. Okayama Univ. 26, 133--136 (1984; Zbl 0564.16032)
Ninomiya, Yasushi On the radical of an infinite group algebra. (English) Zbl 0564.16007 Math. J. Okayama Univ. 26, 13-18 (1984). Reviewer: D.A.R.Wallace MSC: 16S34 16Dxx 20C07 16N40 16Nxx PDF BibTeX XML Cite \textit{Y. Ninomiya}, Math. J. Okayama Univ. 26, 13--18 (1984; Zbl 0564.16007)
Motose, Kaoru On a theorem of Y. Tsushima. (English) Zbl 0564.16005 Math. J. Okayama Univ. 26, 11-12 (1984). Reviewer: D.A.R.Wallace MSC: 16S34 20C05 20D10 16Nxx PDF BibTeX XML Cite \textit{K. Motose}, Math. J. Okayama Univ. 26, 11--12 (1984; Zbl 0564.16005)
Psomopoulos, Evagelos; Tominaga, Hisao; Yaqub, Adil Two commutativity properties for rings. (English) Zbl 0563.16021 Math. J. Okayama Univ. 26, 113-118 (1984). Reviewer: H.E.Bell MSC: 16U70 PDF BibTeX XML Cite \textit{E. Psomopoulos} et al., Math. J. Okayama Univ. 26, 113--118 (1984; Zbl 0563.16021)
Sumiyama, Takao Nonexistence of certain finite rings. (English) Zbl 0563.16012 Math. J. Okayama Univ. 26, 169-173 (1984). Reviewer: F.R.Bobovich MSC: 16P10 16U60 PDF BibTeX XML Cite \textit{T. Sumiyama}, Math. J. Okayama Univ. 26, 169--173 (1984; Zbl 0563.16012)
Funakura, Takeo On integral bases of pure quartic fields. (English) Zbl 0563.12003 Math. J. Okayama Univ. 26, 27-41 (1984). Reviewer: Kenneth S. Williams (Ottawa) MSC: 11R16 11R33 PDF BibTeX XML Cite \textit{T. Funakura}, Math. J. Okayama Univ. 26, 27--41 (1984; Zbl 0563.12003)