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

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[[File:Cayley graph of F2.svg|link=Arthur Cayley (nonfiction)|175px|thumb|A Caley graph encodes the abstract structure of a group using a specified, usually finite, set of generators for the group.<br>This Cayley graph shows the free group on two generators ''a'' and ''b''.]]
[[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 '''[[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 politics;  and that Farquharson's doctoral thesis, which analyzed voting systems, was influential when later published as ''Theory of Voting'' (Oxford: Blackwell, 1970)?
• ... 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 politics;  and that Farquharson's doctoral thesis, which analyzed voting systems, was influential when later published as ''Theory of Voting'' (Oxford: Blackwell, 1970)?


• ... that physicist and astrophyisicist [[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, at Los Alamos in 1954, Christy publicly refused to shake Teller's hand?
• ... 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?