Template:Are You Sure/October 3: Difference between revisions

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• ... that mathematician '''[[Robin Farquharson (nonfiction)|Reginald Robin Farquharson]]''' (3 October 1930 – 1 April 1973) was an academic whose interest in mathematics and politics led him to work on game theory, and that Farquharson's doctoral thesis, which analyzed voting systems, was influential when later published as the ''Theory of Voting''?
[[File:Cayley graph of F2.svg|link=Arthur Cayley (nonfiction)|175px|thumb|A '''[[Arthur Cayley (nonfiction)|Caley graph]]''' encodes the abstract structure of a group using a specified, usually finite, set of generators for the group.<br><br>This Cayley graph shows the free group on two generators ''a'' and ''b''.]]
 
• ... that mathematician '''[[Arthur Cayley (nonfiction)|Arthur Cayley]]''' (16 August 1821 – 26 January 1895) was the first to define the concept of a group in the modern way (as a set with a binary operation satisfying certain laws); and that formerly, when mathematicians spoke of "groups", they had meant permutation groups?
 
• ... that mathematician '''[[Robin Farquharson (nonfiction)|Reginald Robin Farquharson]]''' (3 October 1930 – 1 April 1973) worked on [[Game theory (nonfiction)|game theory]] because he was interested in both mathematics and politicsand that Farquharson's doctoral thesis, which analyzed voting systems, was influential when later published as ''Theory of Voting'' (Oxford: Blackwell, 1970)?
 
• ... that '''''[[2001: A Species Odyssey]]''''' is a short documentary film about the ethical dilemma faced by two astronauts (Frank Bowman and David Poole) when they discover an alien-human hybrid child stowed away on their spaceship?
 
• ... that physicist and astrophysicist '''[[Robert F. Christy (nonfiction)|Robert F. Christy]]''' was distraught at the outcome of the 1954 [[Oppenheimer security hearing (nonfiction)|Oppenheimer security hearing]]; and that when Christy encountered [[Edward Teller (nonfiction)|Edward Teller]], who had testified against Oppenheimer, Christy publicly refused to shake Teller's hand?

Latest revision as of 04:52, 4 October 2020

A Caley graph encodes the abstract structure of a group using a specified, usually finite, set of generators for the group.

This Cayley graph shows the free group on two generators a and b.

• ... that mathematician Arthur Cayley (16 August 1821 – 26 January 1895) was the first to define the concept of a group in the modern way (as a set with a binary operation satisfying certain laws); and that formerly, when mathematicians spoke of "groups", they had meant permutation groups?

• ... that mathematician Reginald Robin Farquharson (3 October 1930 – 1 April 1973) worked on game theory because he was interested in both mathematics and politics; and that Farquharson's doctoral thesis, which analyzed voting systems, was influential when later published as Theory of Voting (Oxford: Blackwell, 1970)?

• ... that 2001: A Species Odyssey is a short documentary film about the ethical dilemma faced by two astronauts (Frank Bowman and David Poole) when they discover an alien-human hybrid child stowed away on their spaceship?

• ... that physicist and astrophysicist Robert F. Christy was distraught at the outcome of the 1954 Oppenheimer security hearing; and that when Christy encountered Edward Teller, who had testified against Oppenheimer, Christy publicly refused to shake Teller's hand?