Guest

Assoc. Prof. Yoichi Isahaya, PhD

15.08.2025 - 14.11.2025

Medieval Studies History

  • Fellow

    Research topic at the GWZO:
    »Crisis of the 14th century in a global perspective«

  • Institution

    Hokkaido University, Slavic-Eurasian Research Centre, Sapporo, Japan

  • Research topic

    Environmental History in the Period of the Mongol Empire

  • Research region

    Central Eurasia

  • Publications (selection)

    • Yoichi Isahaya, “‘Converting’ Knowledge, Culture and
      Themselves: Mongol Imperial Rule in Thirteenth- and
      Fourteenth-Century Eurasia,” Inner Asia 26/2 (2024):
      279-301.
    • Yoichi Isahaya, „Marāgha Ceased to Function: The Ṭūsī
      Family’s Intellectual Network and Īl-Khānid Political
      Itinerance,“ Crossroads 22/1-2 (2023): 5-25.
    • Yoichi Isahaya, „Islamicate Astral Sciences in Eastern
      Eurasia During the Mongol-Yuan Dynasty (1271–
      1368),“ in Sonja Brentjes (ed.), Routledge Handbook on
      the Sciences in Islamicate Societies: Practices from the
      2nd/8th to the 13th/19th Centuries (London: Routledge,
      2022), 688-695.
    • Yoichi Isahaya, “Geometrizing Chinese Astronomy? The
      View from a Diagram in the Kashf al-ḥaqāʾiq by al-
      Nīsābūrī (d. ca. 1330),” in Bill Mak & Eric Huntington
      (eds.), Overlapping Cosmologies in Asia: Transcultural
      and Interdisciplinary Approaches (Leiden: Brill, 2022),
      139-169.
    • Yoichi Isahaya, “Fu Mengzhi: “The Sage of Cathay” in
      Mongol Iran and Astral Sciences along the Silk Roads,”
      in Michal Biran, Jonathan Brack & Francesca Fiaschetti
      (eds.), Along the Silk Roads in Mongol Eurasia: Generals,
      Merchants, and Intellectuals (Berkeley: University of
      California Press, 2020), 238-254.

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