Sekiguchi, Tsutomu; Suwa, Noriyuki A note on extensions of algebraic and formal groups V. (English) Zbl 1075.14045 Jap. J. Math., New Ser. 29, No. 2, 221-284 (2003). Reviewer: Keith Johnson (Halifax) MSC: 14L05 13K05 20G10 PDFBibTeX XMLCite \textit{T. Sekiguchi} and \textit{N. Suwa}, Jpn. J. Math., New Ser. 29, No. 2, 221--284 (2003; Zbl 1075.14045)
Sekiguchi, Tsutomu; Suwa, Noriyuki A note on extensions of algebraic and formal groups. IV: Kummer-Artin-Schreier-Witt theory of degree \(p^2\). (English) Zbl 1073.14546 Tohoku Math. J., II. Ser. 53, No. 2, 203-240 (2001). MSC: 14L05 13K05 20G10 PDFBibTeX XMLCite \textit{T. Sekiguchi} and \textit{N. Suwa}, Tôhoku Math. J. (2) 53, No. 2, 203--240 (2001; Zbl 1073.14546) Full Text: DOI
Sekiguchi, Tsutomu; Suwa, Noriyuki On the extensions of \(\mathcal W_{n,A}\) by \({\mathbb{G}}_{m,A}\). (English) Zbl 0964.14039 RIMS Kokyuroku 1073, 84-97 (1998). MSC: 14L10 13K05 13F30 PDFBibTeX XMLCite \textit{T. Sekiguchi} and \textit{N. Suwa}, RIMS Kokyuroku 1073, 84--97 (1998; Zbl 0964.14039)
Sekiguchi, Tsutomu; Suwa, Noriyuki A note on extensions of algebraic and formal groups. III. (English) Zbl 0887.14019 Tôhoku Math. J., II. Ser. 49, No. 2, 241-257 (1997). MSC: 14L05 13K05 20G10 PDFBibTeX XMLCite \textit{T. Sekiguchi} and \textit{N. Suwa}, Tôhoku Math. J. (2) 49, No. 2, 241--257 (1997; Zbl 0887.14019) Full Text: DOI
Sekiguchi, Tsutomu; Suwa, Noriyuki A note on extensions of algebraic and formal groups. II. (English) Zbl 0815.14032 Math. Z. 217, No. 3, 447-457 (1994). Reviewer: T.Sekiguchi and N.Suwa (Tokyo) MSC: 14L05 13A35 13K05 PDFBibTeX XMLCite \textit{T. Sekiguchi} and \textit{N. Suwa}, Math. Z. 217, No. 3, 447--457 (1994; Zbl 0815.14032) Full Text: DOI EuDML
Sekiguchi, Tsutomu; Suwa, Noriyuki Kummer-Artin-Schreier-Witt theories. (Théories de Kummer-Artin-Schreier-Witt.) (French. Abridged English version) Zbl 0845.14023 C. R. Acad. Sci., Paris, Sér. I 319, No. 2, 105-110 (1994). Reviewer: M.I.Becheanu (Bucureşti) MSC: 14L15 13K05 11S45 PDFBibTeX XMLCite \textit{T. Sekiguchi} and \textit{N. Suwa}, C. R. Acad. Sci., Paris, Sér. I 319, No. 2, 105--110 (1994; Zbl 0845.14023)
Sekiguchi, Tsutomu; Suwa, Noriyuki A note on extensions of algebraic and formal groups. I. (English) Zbl 0742.14039 Math. Z. 206, No. 4, 567-575 (1991). Reviewer: N.Yui (Kingston / Ontario) MSC: 14L05 13A35 13K05 PDFBibTeX XMLCite \textit{T. Sekiguchi} and \textit{N. Suwa}, Math. Z. 206, No. 4, 567--575 (1991; Zbl 0742.14039) Full Text: DOI EuDML
Sekiguchi, Tsutomu; Oort, Frans; Suwa, Noriyuki On the deformation of Artin-Schreier to Kummer. (English) Zbl 0714.14024 Ann. Sci. Éc. Norm. Supér. (4) 22, No. 3, 345-375 (1989). Reviewer: N.Yui MSC: 14H30 13K05 14E07 11S31 PDFBibTeX XMLCite \textit{T. Sekiguchi} et al., Ann. Sci. Éc. Norm. Supér. (4) 22, No. 3, 345--375 (1989; Zbl 0714.14024) Full Text: DOI Numdam EuDML
Oort, Frans; Sekiguchi, Tsutomu The canonical lifting of an ordinary Jacobian variety need not be a Jacobian variety. (English) Zbl 0605.14031 J. Math. Soc. Japan 38, 427-437 (1986). Reviewer: F.Herrlich MSC: 14H40 14G15 14K15 PDFBibTeX XMLCite \textit{F. Oort} and \textit{T. Sekiguchi}, J. Math. Soc. Japan 38, 427--437 (1986; Zbl 0605.14031) Full Text: DOI