2021 - 2022 Feasibility researches on the quantitative environmental history: a case study for the crisis of the 17th-century and its comparison with other historical crises
2020 - 2021 Feasibility researches on the quantitative environmental history: a case study for the crisis of the 17th-century and its comparison with other historical crises
2020 - 2021 Astronomical Phenomena in Historical Literature
2017 - 2020 後4世紀ローマ帝国の政治・社会・宗教と歴史記述テクストの生成
2016 - 2020 後期ローマ帝国における内乱と皇帝権力の変容の研究
2016 - 2017 紀元410年のローマ劫掠が古代末期の「ローマ」イメージに与えた影響の解明
2010 - 2012 ディオクレティアヌス帝以降のローマ帝国における皇帝と軍隊の政治史研究
全件表示
論文 (9件):
Hisashi Hayakawa, Kentaro Hattori, Mitsuru Sôma, Tomoya Iju, Bruno P. Besser, Shunsuke Kosaka. An Overview of Sunspot Observations in 1727-1748. The Astrophysical Journal. 2022. 941. 2. 1-11
Hisashi Hayakawa, Tomoya Iju, Shoma Uneme, Bruno P Besser, Shunsuke Kosaka, Shinsuke Imada. Reanalyses of the sunspot observations of Fogelius and Siverus: two ‘long-term’ observers during the Maunder minimum. Monthly Notices of the Royal Astronomical Society. 2020. 506. 1. 650-658
An implicit resistance to the Constantinian propaganda: The urban landscape of Rome in Ammianus Marcellinus
(Pacific Partnership in Late Antiquity February 2022 Zoom Conference 2022)
Post-Civil War Governance in the Later Roman Empire: Investigating the Evidence from the Theodosian Code
(The 12tth Korea-China-Japan Symposium on Ancient European History: War, Peace and Hegemony in Antiquity 2021)