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“Oresme's Questions on Sacrobosco's De Spera”

by Catherine Ledesert

Each session of the Reading Ancient Mathematical Texts Seminar opens with the short presentation of a primary source and the mathematical problems it raises, followed by the reading of this source, provided with an edition and a translation. One reading typically lasts 3 hours, mostly filled with constant exchanges where any naive question is welcomed. This allows us to think about the linguistic composition of the text, its philology, etc.


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Programme 2026–2027

Observatoire de Paris, salle du conseil (14:00-17:00)
Zhou Xuilin,
The 徑田術(jingtian shu) (the method for measuring fields) in four excavated mathematical books on bamboo slips of the Qin and Han periods
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Observatoire de Paris, Chandon (14:00-17:00)
Mia Joskowicz,
Reworking Euclid’s Irrationals at the Turn of the Seventeenth Century
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Observatoire de Paris, Chandon (14:00-17:00)
Catherine Ledesert,
Oresme's Questions on Sacrobosco's De Spera
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Observatoire de Paris, salle du conseil (14:00-17:00)
王 浩霖 (Haolin Wang),
To be announced
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Observatoire de Paris, salle du conseil (14:00-17:00)
Carole Hofstetter,
To be announced
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Observatoire de Paris, salle du conseil (14:00-17:00)
徳武 太郎 (Taro Tokutake),
Reading Śrīdhara’s Collection of Three Hundred (Triśatī): Multiple Manuscripts towards a New Critical Edition
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Observatoire de Paris, salle du conseil (14:00-17:00)
Matthieu Husson,
To be announced
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Observatoire de Paris, salle du conseil (14:00-17:00)
Émilie Villey,
To be announced
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Observatoire de Paris, salle du conseil (14:00-17:00)
To be announced,
To be announced
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