Template:Selected anniversaries/May 15: Difference between revisions

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||1934: Kārlis Ulmanis establishes an authoritarian government in Latvia.
||1934: Kārlis Ulmanis establishes an authoritarian government in Latvia.
||1935: Émile Léonard Mathieu (French: [matjø]; 15 May 1835, Metz – 19 October 1890, Nancy) was a French mathematician.[1] He is known for his work in group theory and mathematical physics. He has given his name to the Mathieu functions, Mathieu groups and Mathieu transformation.


||1939: Mathematician Brian Hartley born.  He will specialize in group theory. Pic: http://www.maths.manchester.ac.uk/about-us/history/brian-hartley/
||1939: Mathematician Brian Hartley born.  He will specialize in group theory. Pic: http://www.maths.manchester.ac.uk/about-us/history/brian-hartley/

Revision as of 19:15, 2 February 2020

  • 1579: Mathematician and physicist Thomas Fincke invents new type of scrying engine which pre-visualizes tangents and secants. He will use the engine to detect and expose crimes against mathematical constants.

    1579: Mathematician and physicist Thomas Fincke invents new type of scrying engine which pre-visualizes tangents and secants. He will use the engine to detect and expose crimes against mathematical constants.

  • 1618: Johannes Kepler confirms his previously rejected discovery of the third law of planetary motion (he first discovered it on March 8 but soon rejected the idea after some initial calculations were made).

    1618: Johannes Kepler confirms his previously rejected discovery of the third law of planetary motion (he first discovered it on March 8 but soon rejected the idea after some initial calculations were made).

  • 1801: Mathematician Joseph Ludwig Raabe born. He will discover Raabe's ratio test, which determines the convergence or divergence of an infinite series, in some cases.

    1801: Mathematician Joseph Ludwig Raabe born. He will discover Raabe's ratio test, which determines the convergence or divergence of an infinite series, in some cases.

  • 1836: Astronomer Francis Baily observes "Baily's beads" during an annular eclipse.

    1836: Astronomer Francis Baily observes "Baily's beads" during an annular eclipse.

  • 1864: Asclepius Myrmidon Prepares for Emergency Field Surgery incorporated into army medical manuals on both sides of the American Civil War.

    1864: Asclepius Myrmidon Prepares for Emergency Field Surgery incorporated into army medical manuals on both sides of the American Civil War.

  • 2017: Three Kings voted Picture of the Day by the citizens of New Minneapolis, Canada.

    2017: Three Kings voted Picture of the Day by the citizens of New Minneapolis, Canada.

  • 2019: New study says that Greedy coloring algorithms "have been systematically corrupted by a consortium of math criminals including Anarchimedes and Forbidden Ratio." (Source: APTO crime report.)

    2019: New study says that Greedy coloring algorithms "have been systematically corrupted by a consortium of math criminals including Anarchimedes and Forbidden Ratio." (Source: APTO crime report.)

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