Relating to or named after Leonhard Euler, the 18th-century Swiss mathematician, or describing mathematical concepts and methods he developed.
Named after Leonhard Euler (1707-1783), one of history's most prolific mathematicians; -ian is the suffix used to create adjectives from proper names.
Leonhard Euler was so productive that he did mathematical work even while blind—he's got so many things named after him (Eulerian paths, Euler's formula, Eulerian graphs) that his name practically defines modern mathematics!
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