Gerberto e la Geografia Tolemaica
Costantino Sigismondi
TL;DR
This paper examines Gerbert's ancient astronomical tables, comparing his calculations of day and night durations with Ptolemaic geography, revealing insights into medieval scientific methods.
Contribution
It presents algorithms for horologia calculations and compares them with Gerbert's historical tables within a Ptolemaic framework.
Findings
Algorithms align with Gerbert's tables
Ptolemaic geography underpins Gerbert's calculations
Results enhance understanding of medieval astronomical methods
Abstract
The horologia are ancient ephemerides, tables of durations of the days and nights during all months of the year. The algorithms used to compute the horologia are here presented and the results are compared with the tables computed by Gerbert in the letter to Adam. The Ptolemaic geography is the framework in which Gerbert made his calculations.
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Taxonomy
TopicsRenaissance Literature and Culture · Historical Geography and Cartography · Ancient Mediterranean Archaeology and History