7th International Conference on the Science of Computus in Late Antiquity and the Middle Ages, Galway 27-29 June 2018
Wednesday, 27 June
16:00-18:00 Late Antique computus
Daniel Mc Carthy (Dublin) – The Index prefixed to Athanasius’ Festal Letters
Jan Zuidhoek (Zwolle) – Reconstructing the Alexandrian 19-year lunar cycles
David Paniagua (Salamanca) – A late antique almanac: the Laterculus of Polemius Silvius
Leofranc Holford-Strevens (Oxford) – The Acts of the Council of Caesarea
18:15-19:30 Book launches
- Alden Mosshammer, The Prologues on Easter of Theophilus of Alexandria and [Cyril] (Oxford 2017)
- Philipp Nothaft, Walcher of Malvern: De lunationibus and De dracone – study, edition, translation, and commentary (Turnhout 2017)
- Philipp Nothaft, Scandalous error: calendar reform and calendrical astronomy in medieval Europe (Oxford 2018)
- Immo Warntjes & Dáibhí Ó Cróinín, Late antique calendrical thought and its reception in the early Middle Ages (Turnhout 2017)
Thursday, 28 June
COMPUTUS AND THE VERNACULAR
9:30-11:00 Scandinavian Computus
Carla Cucina (Macerata) – Calendar runes and epigraphic evidence for time reckoning in early medieval Scandinavia
Jens Ulff-Møller (Copenhagen) – The origin of the Icelandic Misseri Calendar in Íslendingabók
Sarah Baccianti (Belfast) – Calendars and Calculations: Creating a National Identity in Medieval Iceland
11:30-12:30 Celtic computus
Jacopo Bisagni (Galway) – The transmission of computus between Ireland, Brittany and Carolingian Francia: the enigma of Laon 422
Bernhard Bauer (Maynooth) – The interrelation of the ‘Celtic’ De Temporum Ratione manuscripts
12:30-14:30: lunch
14:30-15:30 Old English / Old High German
Cristina Raffaghello (Vercelli) – The plurivernacular aspects in Byrhtferth's Enchiridion
Immo Warntjes (Dublin) – Notker the German’s De quatuor questionibus compoti
15:30-16:30 Anglo-Norman
Geoff Rector (Ottawa) – Audience, affinity, and exclusion in Philippe de Thaön’s Comput
Edward Mills (Exeter) – Forbidden knowledge/ escience celee? The vernacular and knowledge exchange in two Anglo-Norman computus texts
17:00-18:00 Arabic influences
Fathi Jarray (Tunis) – The medieval and modern astronomy in the Miterranean: ancient heritage and the contribution of Islamic civilization (L’astronomie médiévale et moderne en Méditerranée: l’héritage antique et la contribution de la civilisation Islamique)
Charles Burnett (London) – The reception of the cosmologies of Pseudo-Mash’allah and al-Farghani from the ninth to the seventeenth centuries
18:00-18:30 New Digital Approaches
Thom Snijders (Utrecht) – Computus.lat and object oriented cataloguing of early medieval computus manuscripts
20:00 Conference Dinner
Friday, 29 June
9:30-11:30 Computus in Ireland and Anglo-Saxon England
David Howlett (Oxford) – The Victorian prologue of AD 699
Elisa Ramazzina (Belfast) – Rainbow and flood in insular computus tradition
Marilina Cesario (Belfast) – Natural science and prognostication in the Peterborough Chronicle
12:00-13:30 Later Medieval Computus
Michael Schonhardt (Freiburg) – Contemplatio stellarum: William of Hirsauˈs sphaera and the beginning of observational astronomy in the 11th century
Philipp Nothaft (Oxford) – The Compotus Petri of 1171—A “forgotten classic” of twelfth-century computistics
Sarah Griffin (Oxford) – Synchronising the hours: a fifteenth-century wooden volvelle from Verona