Yoichi Isahaya
Biographic Data
| ID | 1506759 |
|---|---|
| NAME | Yoichi Isahaya |
| GIVEN NAMES | Yoichi |
| FAMILY NAME | Isahaya |
| SIGNATURE | ISAHAYA Y |
| AFFILIATIONS | Associate Professor, The Slavic-Eurasian Research Center, Hokkaido University Sapporo Japan |
| ORCID | 0000-0001-5547-5095 |
| VERIFIED | Yes |
| TOTAL WORKS | 3 |
| TOTAL CITATIONS | 0 |
| WORKS AS AUTHOR | 3 |
| WORKS AS EDITOR | 0 |
| FIRST PUBLICATION YEAR | 2021 |
| LATEST PUBLICATION YEAR | 2024 |
| H-INDEX | 0 |
Converting' Knowledge, Culture and Themselves
In this paper, I propose a new model of how the Mongol empire connected the various systems used by the subject peoples under their control. I contrast this to modern empires, which used a system of direct standardisation, so that one calendar, one currency, one system of measures, one way of doing history, often even one language (at least for most public purposes) and so on, was imposed on the entire empire. In the Mongol Empire, while a single…
Marāgha Ceased to Function
While there is no consensus as to when the Marāgha observatory, centre of a Eurasian-scale intellectual network, ceased to function, given that no historical sources mention such a date, by focusing more on the Īl-Khānid political context than on the scientific activities at the observatory that have so far attracted scholarly attention, I argue that the termination of the observatory’s activity overlapped with the downfall of Aṣīl al-Dīn b. Naṣī…
From Alamut to Dadu
This article aims to shed light on a hitherto unknown transmission route of the astral sciences from Alamut to Dadu (Beijing). I argue that the huntianyi 渾天儀, an armillary sphere, which Jamāl al-Dīn dedicated to Qubilai in 1267, was designed in Alamut – the main stronghold of the Nizārī Ismāʿīlīs – on the grounds that the instrument was set to Alamut’s latitude. After its fall in 1256, the armillary sphere traversed the Mongol Silk Roads. The Das…
No prominent works on this page.
From Alamut to Dadu
This article aims to shed light on a hitherto unknown transmission route of the astral sciences from Alamut to Dadu (Beijing). I argue that the huntianyi 渾天儀, an armillary sphere, which Jamāl al-Dīn dedicated to Qubilai in 1267, was designed in Alamut – the main stronghold of the Nizārī Ismāʿīlīs – on the grounds that the instrument was set to Alamut’s latitude. After its fall in 1256, the armillary sphere traversed the Mongol Silk Roads. The Das…
Marāgha Ceased to Function
While there is no consensus as to when the Marāgha observatory, centre of a Eurasian-scale intellectual network, ceased to function, given that no historical sources mention such a date, by focusing more on the Īl-Khānid political context than on the scientific activities at the observatory that have so far attracted scholarly attention, I argue that the termination of the observatory’s activity overlapped with the downfall of Aṣīl al-Dīn b. Naṣī…
Converting' Knowledge, Culture and Themselves
In this paper, I propose a new model of how the Mongol empire connected the various systems used by the subject peoples under their control. I contrast this to modern empires, which used a system of direct standardisation, so that one calendar, one currency, one system of measures, one way of doing history, often even one language (at least for most public purposes) and so on, was imposed on the entire empire. In the Mongol Empire, while a single…
Archaeology (2 works) · Eurasian Exchange Networks (2 works) · History (2 works) · Ancient history (1 work) · Arabic (1 work) · Art (1 work) · Astrophysics (1 work) · Beijing (1 work) · Cartography (1 work) · China (1 work)