Ichimura, Humio On a duality of Gras between totally positive and primary cyclotomic units. (English) Zbl 1408.11109 Math. J. Okayama Univ. 58, 125-132 (2016). MSC: 11R33 11R18 11R29 PDFBibTeX XMLCite \textit{H. Ichimura}, Math. J. Okayama Univ. 58, 125--132 (2016; Zbl 1408.11109) Full Text: Link
Ichimura, Humio Hilbert-Speiser number fields and Stickelberger ideals; the case \(p=2\). (English) Zbl 1242.11088 Math. J. Okayama Univ. 54, 33-48 (2012). Reviewer: Henri Johnston (Cambridge) MSC: 11R33 11R18 PDFBibTeX XMLCite \textit{H. Ichimura}, Math. J. Okayama Univ. 54, 33--48 (2012; Zbl 1242.11088)
Ichimura, Humio Stickelberger ideals and normal bases of rings of \(p\)-integers. (English) Zbl 1195.11145 Math. J. Okayama Univ. 48, 9-20 (2006). Reviewer: Maneesh Thakur (New Delhi) MSC: 11R18 11R33 PDFBibTeX XMLCite \textit{H. Ichimura}, Math. J. Okayama Univ. 48, 9--20 (2006; Zbl 1195.11145) Full Text: Link