Resolved year places a conjecture's proof in the year it actually appeared. Wikipedia notes that "in papers posted to the arXiv repository in 2002 and 2003, Perelman presented his work proving the Poincare conjecture," nearly a century after Poincare first posed it. Browsing by resolved year shows how long a hard problem can remain open before it finally falls.
Facts
Comparison
Era Of Emergence 21st century
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Sources
1. Wikipedia: Geometry
Wikimedia FoundationHistory sectionQuote, History section
Around 300 BC, geometry was revolutionized by Euclid, whose Elements, widely considered the most successful and influential textbook of all time, introduced mathematical rigor through the axiomatic method.
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