**Øystein Ore** was a Norwegian algebraist and graph theorist. His Norwegian name in his mathematical articles was however spelled as Oystein Ore. He introduced Ore extensions and Ore conditions for Ore sets (in the context of study of linear equations over noncommutative Ore domains) of rings. Ore introduced name groupoid for what we now call magma (cf. historical notes on quasigroups).

- wikipedia: Øystein Ore, Ore extension, Ore condition, Ore’s theorem
- biography at MacTutor History of Mathematics archive, University of St Andrews

category: people

Created on October 29, 2013 at 08:09:44. See the history of this page for a list of all contributions to it.