Template:Selected anniversaries/March 20: Difference between revisions

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||Børge Christian Jessen (d. 20 March 1993) was a Danish mathematician best known for his work in analysis, specifically on the Riemann zeta function, and in geometry, specifically on Hilbert's third problem.
||Børge Christian Jessen (d. 20 March 1993) was a Danish mathematician best known for his work in analysis, specifically on the Riemann zeta function, and in geometry, specifically on Hilbert's third problem.
||Petr Vopěnka (d. 20 March 2015) was a Czech mathematician. In the early seventies, he developed alternative set theory. He will be known for Vopěnka's principle. Pic.


File:Ursa Nano.jpg|link=Ursa Nano (nonfiction)|2017: ''[[Ursa Nano (nonfiction)|Ursa Nano]]'' is declared Picture of the Day.
File:Ursa Nano.jpg|link=Ursa Nano (nonfiction)|2017: ''[[Ursa Nano (nonfiction)|Ursa Nano]]'' is declared Picture of the Day.


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Revision as of 07:05, 24 March 2018