Aoki, Miho; Kishi, Yasuhiro A family of pairs of imaginary cyclic fields of degree \((p-1)/2\) with both class numbers divisible by \(p\). (English) Zbl 1447.11113 Ramanujan J. 52, No. 1, 133-161 (2020). Reviewer: James E. Carter (Charleston) MSC: 11R11 11R16 11R29 PDFBibTeX XMLCite \textit{M. Aoki} and \textit{Y. Kishi}, Ramanujan J. 52, No. 1, 133--161 (2020; Zbl 1447.11113) Full Text: DOI arXiv
Aoki, Miho; Kishi, Yasuhiro An infinite family of pairs of imaginary quadratic fields with both class numbers divisible by five. (English) Zbl 1422.11221 J. Number Theory 176, 333-343 (2017). MSC: 11R11 11R16 11R29 PDFBibTeX XMLCite \textit{M. Aoki} and \textit{Y. Kishi}, J. Number Theory 176, 333--343 (2017; Zbl 1422.11221) Full Text: DOI
Aoki, Miho; Kishi, Yasuhiro On systems of fundamental units of certain quartic fields. (English) Zbl 1331.11099 Int. J. Number Theory 11, No. 7, 2019-2035 (2015). Reviewer: Abdelmalek Azizi (Oujda) MSC: 11R27 11R16 11R29 PDFBibTeX XMLCite \textit{M. Aoki} and \textit{Y. Kishi}, Int. J. Number Theory 11, No. 7, 2019--2035 (2015; Zbl 1331.11099) Full Text: DOI
Kishi, Yasuhiro A constructive approach to Spiegelung relations between 3-ranks of absolute ideal class groups and congruent ones modulo \((3)^2\) in quadratic fields. (English) Zbl 0967.11048 J. Number Theory 83, No. 1, 1-49 (2000). Reviewer: Florence Soriano-Gafiuk (Schweyen) MSC: 11R37 11R29 11R16 11R70 11R11 PDFBibTeX XMLCite \textit{Y. Kishi}, J. Number Theory 83, No. 1, 1--49 (2000; Zbl 0967.11048) Full Text: DOI