Ringel is a surname. Notable people with the surname include: Erwin Ringel (1921–1994), Austrian psychiatrist and neurologist who dedicated his life to...
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Aaron E. Ringel is an American political advisor who served as the assistant secretary of state for global public affairs from 2020 to 2021 during the...
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Erwin Ringel (27 April 1921 – 28 July 1994) was an Austrian psychiatrist and neurologist who dedicated his life to suicide prevention and who, in 1960...
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In mathematics, a Ringel–Hall algebra is a generalization of the Hall algebra, studied by Claus Michael Ringel (1990). It has a basis of equivalence classes...
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Gerhard Ringel (October 28, 1919 in Kollnbrunn, Austria – June 24, 2008 in Santa Cruz, California) was a German mathematician. He was one of the pioneers...
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Julius 'Papa' Ringel (16 November 1889 – 11 February 1967) was an Austrian general in the armed forces of Nazi Germany during World War II. He fought in...
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Heawood conjecture (redirect from Ringel–Youngs theorem)
In graph theory, the Heawood conjecture or Ringel–Youngs theorem gives a lower bound for the number of colors that are necessary for graph coloring on...
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Ethan R. Ringel (born August 12, 1994 in Windermere, Florida, United States) is an American racing driver. He competed in the 2012 GP3 Series season for...
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Faye J. Ringel is an American professor emeritus of Humanities at the United States Coast Guard Academy and an author. Ringel received a Bachelor of Arts...
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actions (with sitting rather than falling as the concluding action): Ringel ringel reihen, Wir sind der Kinder dreien, Sitzen unter'm Hollerbusch Und machen...
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