Iwase, Norio; Maruyama, Ken-ichi; Oka, Shichiro A note on \(\mathcal E(\mathbb{H}{}{P^ n})\) for \(n\leq{}4\). (English) Zbl 0757.55008 Math. J. Okayama Univ. 33, 163-176 (1991). Reviewer: Y.Nomura (Hyogo) MSC: 55P10 55Q05 55Q40 PDFBibTeX XMLCite \textit{N. Iwase} et al., Math. J. Okayama Univ. 33, 163--176 (1991; Zbl 0757.55008)
Oka, Shichirô Existence of the unstable Adams map. (English) Zbl 0668.55013 Mem. Fac. Sci., Kyushu Univ., Ser. A 42, No. 2, 95-108 (1988). Reviewer: Y.Nomura MSC: 55Q40 55Q25 55Q35 55Q15 55P40 PDFBibTeX XMLCite \textit{S. Oka}, Mem. Fac. Sci., Kyushu Univ., Ser. A 42, No. 2, 95--108 (1988; Zbl 0668.55013) Full Text: DOI
Oka, Shichiro A generalization of the Adams invariant and applications to homotopy of the exceptional Lie group \(G_ 2\). (English) Zbl 0638.57018 Homotopy theory and related topics, Pap. Symp. Kyoto/Jap. 1984, Adv. Stud. Pure Math. 9, 195-230 (1987). Reviewer: J.R.Hubbuck MSC: 57T10 55S25 55Q10 55N15 PDFBibTeX XML
Oka, Shichiro Homotopy of the exceptional Lie group \(G_ 2\). (English) Zbl 0604.55005 Proc. Edinb. Math. Soc., II. Ser. 29, 145-169 (1986). Reviewer: T.Kobayashi MSC: 55Q52 55Q10 55R50 55Q45 55P45 PDFBibTeX XMLCite \textit{S. Oka}, Proc. Edinb. Math. Soc., II. Ser. 29, 145--169 (1986; Zbl 0604.55005) Full Text: DOI
Mukai, Juno; Oka, Shichirô A note on the quaternionic quasi-projective space. (English) Zbl 0563.55004 Mem. Fac. Sci., Kyushu Univ., Ser. A 38, 277-284 (1984). MSC: 55P05 22E15 55R05 PDFBibTeX XMLCite \textit{J. Mukai} and \textit{S. Oka}, Mem. Fac. Sci., Kyushu Univ., Ser. A 38, 277--284 (1984; Zbl 0563.55004) Full Text: DOI
Oka, Shichirô Multiplications on the Moore spectrum. (English) Zbl 0552.55009 Mem. Fac. Sci., Kyushu Univ., Ser. A 38, 257-276 (1984). Reviewer: S.Kochman MSC: 55P42 55N45 PDFBibTeX XMLCite \textit{S. Oka}, Mem. Fac. Sci., Kyushu Univ., Ser. A 38, 257--276 (1984; Zbl 0552.55009) Full Text: DOI
Oka, Shichiro Multiplicative structure of finite ring spectra and stable homotopy of spheres. (English) Zbl 0545.55013 Algebraic topology, Proc. Conf., Aarhus 1982, Lect. Notes Math. 1051, 418-441 (1984). Reviewer: D.C.Johnson MSC: 55Q45 55N20 55P42 PDFBibTeX XML
Oka, Shichiro Derivations in ring spectra and higher torsions in Coker J. (English) Zbl 0538.55009 Mem. Fac. Sci., Kyushu Univ., Ser. A 38, 23-46 (1984). Reviewer: E.Ossa MSC: 55Q45 55T15 55P42 PDFBibTeX XMLCite \textit{S. Oka}, Mem. Fac. Sci., Kyushu Univ., Ser. A 38, 23--46 (1984; Zbl 0538.55009) Full Text: DOI
Maruyama, Ken-ichi; Oka, Shichiro Note on some exotic multiplication on SU(n). (English) Zbl 0536.55002 Mem. Fac. Sci., Kyushu Univ., Ser. A 38, 61-64 (1984). Reviewer: J.Hubbuck MSC: 55P45 55P10 PDFBibTeX XMLCite \textit{K.-i. Maruyama} and \textit{S. Oka}, Mem. Fac. Sci., Kyushu Univ., Ser. A 38, 61--64 (1984; Zbl 0536.55002) Full Text: DOI
Oka, Shichiro Small ring spectra and p-rank of the stable homotopy of spheres. (English) Zbl 0543.55009 Contemp. Math. 19, 267-308 (1983). Reviewer: E.Ossa MSC: 55Q45 55T15 55P42 PDFBibTeX XMLCite \textit{S. Oka}, Contemp. Math. 19, 267--308 (1983; Zbl 0543.55009) Full Text: DOI
Oka, Shichiro; Shimomura, Katsumi On products of the beta-elements in the stable homotopy of spheres. (English) Zbl 0515.55010 Hiroshima Math. J. 12, 611-626 (1982). MSC: 55Q45 55T15 PDFBibTeX XMLCite \textit{S. Oka} and \textit{K. Shimomura}, Hiroshima Math. J. 12, 611--626 (1982; Zbl 0515.55010)
[Araki, Shōrō; Yanagida, Nobuaki; Wilson, W. Stephen; Matsumoto, Takao; Fujii, Kenzō; Oka, Shichirō; Kōno, Akira; Kojima, Kazumoto] Topics in homotopy theory and cohomology theory. Proceedings of a Symposium held at the Research Institute for Mathematical Sciences, Kyoto University, Kyoto, October 27-29, 1980. (English) Zbl 0565.55002 RIMS Kôkyûroku, 419. Kyoto: Kyoto University, Research Institute for Mathematical Sciences. II, 70 p. (1981). MSC: 55-06 00B25 55Qxx 55N20 55S05 55R50 PDFBibTeX XML
Maruyama, Ken-ichi; Oka, Shichiro Self-H-maps of H-spaces of type (3,7). (English) Zbl 0486.55005 Mem. Fac. Sci., Kyushu Univ., Ser. A 35, 375-383 (1981). MSC: 55P10 55P45 55S25 PDFBibTeX XMLCite \textit{K.-i. Maruyama} and \textit{S. Oka}, Mem. Fac. Sci., Kyushu Univ., Ser. A 35, 375--383 (1981; Zbl 0486.55005) Full Text: DOI
Oka, Shichiro On the group of self-homotopy equivalences of H-spaces of low rank. II. (English) Zbl 0486.55004 Mem. Fac. Sci., Kyushu Univ., Ser. A 35, 307-323 (1981). MSC: 55P10 55Q05 55P45 PDFBibTeX XMLCite \textit{S. Oka}, Mem. Fac. Sci., Kyushu Univ., Ser. A 35, 307--323 (1981; Zbl 0486.55004) Full Text: DOI
Oka, Shichiro On the group of self-homotopy equivalences of H-spaces of low rank. I. (English) Zbl 0486.55003 Mem. Fac. Sci., Kyushu Univ., Ser. A 35, 247-282 (1981). MSC: 55P10 55Q05 55P45 PDFBibTeX XMLCite \textit{S. Oka}, Mem. Fac. Sci., Kyushu Univ., Ser. A 35, 247--282 (1981; Zbl 0486.55003) Full Text: DOI
Oka, Shichiro Note on the beta-family in stable homotopy of spheres at the prime 3. (English) Zbl 0481.55009 Mem. Fac. Sci., Kyushu Univ., Ser. A 35, 367-373 (1981). MSC: 55Q45 55Q50 55T15 55N20 55P60 PDFBibTeX XMLCite \textit{S. Oka}, Mem. Fac. Sci., Kyushu Univ., Ser. A 35, 367--373 (1981; Zbl 0481.55009) Full Text: DOI
Oka, Shichiro Finite complexes whose self-homotopy equivalences form cyclic groups. (English) Zbl 0431.55005 Mem. Fac. Sci., Kyushu Univ., Ser. A 34, 171-181 (1980). MSC: 55P10 55P15 PDFBibTeX XMLCite \textit{S. Oka}, Mem. Fac. Sci., Kyushu Univ., Ser. A 34, 171--181 (1980; Zbl 0431.55005) Full Text: DOI
Oka, Shichiro Ring spectra with few cells. (English) Zbl 0414.55004 Jap. J. Math., New Ser. 5, 81-100 (1979). MSC: 55P42 55Q10 55N20 55Q52 PDFBibTeX XMLCite \textit{S. Oka}, Jpn. J. Math., New Ser. 5, 81--100 (1979; Zbl 0414.55004)
Oka, Shichiro Corrections to ”Module spectra over the Moore spectrum”. (English) Zbl 0381.55001 Hiroshima Math. J. 8, 217-221 (1978). MSC: 55N20 55R05 55S45 55Q10 PDFBibTeX XMLCite \textit{S. Oka}, Hiroshima Math. J. 8, 217--221 (1978; Zbl 0381.55001)
Nakamura, Osamu; Oka, Shichiro Corrections to ”Some differentials in the mod p Adams spectral sequence \((p\geq 5)\)”. (English) Zbl 0364.55013 Hiroshima Math. J. 7, 655-656 (1977). MSC: 55T15 55Q45 PDFBibTeX XMLCite \textit{O. Nakamura} and \textit{S. Oka}, Hiroshima Math. J. 7, 655--656 (1977; Zbl 0364.55013)
Oka, Shichiro Realizing some cyclic \(BP_*\)-modules and applications to stable homotopy of spheres. (English) Zbl 0364.55006 Hiroshima Math. J. 7, 427-447 (1977). MSC: 55Q45 55N20 55T15 PDFBibTeX XMLCite \textit{S. Oka}, Hiroshima Math. J. 7, 427--447 (1977; Zbl 0364.55006)
Oka, Shichiro Module spectra over the Moore spectrum. (English) Zbl 0355.55006 Hiroshima Math. J. 7, 93-118 (1977). MSC: 55N20 55P05 55S45 55Q10 PDFBibTeX XMLCite \textit{S. Oka}, Hiroshima Math. J. 7, 93--118 (1977; Zbl 0355.55006)
Nakamura, Osamu; Oka, Shichiro Some differentials in the \(\mod p\) Adams spectral sequence \((p\geq 5)\). (English) Zbl 0336.55027 Hiroshima Math. J. 6, 305-330 (1976). MSC: 55T15 55Q45 55S10 55S30 57T30 PDFBibTeX XMLCite \textit{O. Nakamura} and \textit{S. Oka}, Hiroshima Math. J. 6, 305--330 (1976; Zbl 0336.55027)
Oka, Shichiro A new family in the stable homotopy groups of spheres. II. (English) Zbl 0336.55017 Hiroshima Math. J. 6, 331-342 (1976). MSC: 55Q45 55N20 55T15 57R90 PDFBibTeX XMLCite \textit{S. Oka}, Hiroshima Math. J. 6, 331--342 (1976; Zbl 0336.55017)
Oka, Shichiro; Toda, Hirosi 3-primary \(\beta\)-family in stable homotopy. (English) Zbl 0312.55017 Hiroshima Math. J. 5, 447-460 (1975). MSC: 55Q45 55Q10 55T25 PDFBibTeX XMLCite \textit{S. Oka} and \textit{H. Toda}, Hiroshima Math. J. 5, 447--460 (1975; Zbl 0312.55017)
Oka, Shichiro The stable homotopy groups of spheres. III. (English) Zbl 0308.55013 Hiroshima Math. J. 5, 407-438 (1975). MSC: 55Q45 55Q10 55Q40 55S10 55T15 PDFBibTeX XMLCite \textit{S. Oka}, Hiroshima Math. J. 5, 407--438 (1975; Zbl 0308.55013)
Oka, Shichiro The stable homotopy groups of spheres. III. (English) Zbl 0298.55010 Hiroshima Math. J. (to appear). MSC: 55Q45 55Q10 55S10 55Q40 55T15 PDFBibTeX XML
Oka, Shichiro; Toda, Hirosi Non-triviality of an element in the stable homotopy groups of spheres. (English) Zbl 0298.55009 Hiroshima Math. J. 5, 115-125 (1975). MSC: 55Q45 55Q10 55Q40 55S10 PDFBibTeX XMLCite \textit{S. Oka} and \textit{H. Toda}, Hiroshima Math. J. 5, 115--125 (1975; Zbl 0298.55009)
Oka, Shichiro A new family in the stable homotopy groups of spheres. (English) Zbl 0298.55008 Hiroshima Math. J. 5, 87-114 (1975). MSC: 55Q45 55N20 55Q10 57R90 PDFBibTeX XMLCite \textit{S. Oka}, Hiroshima Math. J. 5, 87--114 (1975; Zbl 0298.55008)
Oka, Shichiro On the stable homotopy ring of Moore spaces. (English) Zbl 0298.55007 Hiroshima Math. J. 4, 629-678 (1974). MSC: 55Q10 55Q45 PDFBibTeX XMLCite \textit{S. Oka}, Hiroshima Math. J. 4, 629--678 (1974; Zbl 0298.55007)
Oka, Shichiro; Sawashita, Norichika; Sugawara, Masahiro On the group of self-equivalences of a mapping cone. (English) Zbl 0284.55013 Hiroshima Math. J. 4, 9-28 (1974). MSC: 55P10 55Q05 PDFBibTeX XMLCite \textit{S. Oka} et al., Hiroshima Math. J. 4, 9--28 (1974; Zbl 0284.55013)
Oka, Shichiro Groups of self-equivalences of certain complexes. (English) Zbl 0266.55008 Hiroshima Math. J. 2, 285-298 (1972). MSC: 55Q05 55P10 PDFBibTeX XMLCite \textit{S. Oka}, Hiroshima Math. J. 2, 285--298 (1972; Zbl 0266.55008)
Oka, Shichiro The stable homotopy groups of spheres. II. (English) Zbl 0265.55010 Hiroshima Math. J. 2, 99-161 (1972). MSC: 55Q45 PDFBibTeX XMLCite \textit{S. Oka}, Hiroshima Math. J. 2, 99--161 (1972; Zbl 0265.55010)
Oka, Shichiro The stable homotopy groups of spheres. I. (English) Zbl 0261.55012 Hiroshima Math. J. 1, 305-337 (1971). MSC: 55Q45 PDFBibTeX XMLCite \textit{S. Oka}, Hiroshima Math. J. 1, 305--337 (1971; Zbl 0261.55012)
Oka, Shichirô Some exact sequences of modules over the Steenrod algebra. (English) Zbl 0224.55024 Hiroshima Math. J. 1, 109-121 (1971). MSC: 55N35 55Q40 55Q10 PDFBibTeX XMLCite \textit{S. Oka}, Hiroshima Math. J. 1, 109--121 (1971; Zbl 0224.55024)