6th International Conference on the Science of Computus in the Middle Ages

6th International Conference

on the Science of Computus in the Middle Ages

Old Moore Institute, NUI Galway, 8-10 July 2016

Friday 8 July

16:00-18:00 – Session 1: Liber Nemroth

Barbara Obrist (Geneva) Nemroth‘s cosmology and computus in the 12th century

David Juste (Munich) The lost astrological chapters of the Liber Nemroth and the origin of the text

Philipp Nothaft (Oxford) Chronology and computus in the Liber Nemroth

Isabelle Draelants (Paris) Depingimus demonstrando: dialogue between drawings and text for learning efficiency in Nimrod‘s cosmogony

18:15 – Book-Launch

Saturday 9 July

9:00-10:00 – Session 2: The Calculation of Easter

Marina Smyth (Notre Dame) – Verse mnemonics similar to Nonae Aprilis

Michael Brennan (Dublin) – Mathematicians in the Carolingian age: Asking in an age of answers

10:30-12:30 – Session 3: Bede & his Legacy

Conor O’Brien (Cambridge) The scandal of diversity: The uses of tolerance in the early medieval Easter Controversy

MÌÁirÌ_n MacCarron (Sheffield) Why did Bede include a chronicle in his De temporibus?

Joshua Westgard (Maryland) The transmission of Bede’s scientific works

John J. Contreni (Purdue) A first look at ninth-century glosses on Bede’s De temporum ratione

14:30-16:00 – Session 4: The Computi of 757 & 789

James Palmer (St Andrews) The many lives of a ‰Û÷faulty’ prototype: the computus of 757 and its relatives

Leofranc Holford-Strevens (Oxford) The Computus of 757: text and context

Immo Warntjes (Belfast) The unfinished Fulda Computus of AD 789

16:30-18:00 – Session 5: Manuscripts I

Dimitry Starostin (St Petersburg) Alcuin, Hildebald, and MS. Cologne Dombibliothek 83²: Computus and cultural conflicts in time-reckoning among the Carolingian educated elite

Eric RamÌ_rez-Weaver (Princeton / Virginia) Calculated differences: meaning and change in the image cycle of the Libri computi of AD 809

Brigitte Englisch (Paderborn) Mundus pictus: Die bildliche Darstellung astronomischer und geographischer Strukturen in komputistischen Handschriften des 9. Jhs.

Sunday 10 July

9:00-10:30 – Session 6: Manuscripts II

Lisa Chen Obrist (Toronto) Seeing the sources in Book X of Hrabanus Maurus’ De rerum naturis

Wesley Stevens (Manitoba) Questions about the Tabula paschalis of Dionysius Exiguus from its earliest manuscript

Richard Corradini (Vienna) Mastering time: the chronographic collection in Walahfrid Strabo’s handbook

11:00-12:00 – Session 7: Arabic Influences

Fathi Jarray (Tunis) Astronomie et Gnomonique musulmanes et l’Europe m̩di̩val: rapports d’influence ou h̩ritage partag̩?

Michael Schonhardt (Freiburg) … ut fratres surgere faciat ad horma competentem: the transmission and function of Arabic science in Regensburg

13:30-15:00 – Session 8: Late Anglo-Saxon Computistics

Megan McNamee (Michigan) Arithmetic, computus and the ambiguous alphabet c. 1000

Sabine Rauch (Dublin) Number symbolic ideas in Byrhtferth’s diagrams of the Enchiridion

Rebecca Stephenson (Dublin) Visualizing computus: Byrhtferth of Ramsey’s diagrams

15:30-17:00 – Session 9: Later Middle Ages

Sarah Griffin (Oxford) Diagram and dimension: visualising time in a drawing of Opicinus de Canistris (1296 – c.1354)

Christian Etheridge (Odense) The development of computus texts in Sweden and Finland in the Middle Ages

Michal Choptiany (Warsaw) An understudied Cistercian computistical source from Silesia: Conrad of Heinrichau’s Computus novus ecclesiasticus (1340)