Tag: Cube Quaternions Page 1 of 2
The title refers to a Scientific American weblog item discussed here on May 31, 2014: Some closely related material appeared here on Dec. 30, 2011: A version of the…
The ninefold square, the eightfold cube, and monkeys. For posts on the models above, see quaternion in this journal. For the monkeys, see "Nothing Is More Fun than…
From Don DeLillo's novel Point Omega — I knew what he was, or what he was supposed to be, a defense intellectual, without the usual credentials, and when…
The December 2012 Notices of the American Mathematical Society has an ad on page 1564 (in a review of two books on vulgarized mathematics) for three workshops next year…
A Google search today yielded no results for the phrase "congruent group actions." Places where this phrase might prove useful include— Actions of the quaternion group in finite…
In memory of William S. Knowles, chiral chemist, who died last Wednesday (June 13, 2012)— Detail from the Harvard Divinity School 1910 bookplate in yesterday morning's post— "ANDOVER–HARVARD THEOLOGICAL…
"The group of 8" is a phrase from politics, not mathematics. Of the five groups of order 8 (see today's noon post), the one pictured* in the center,…
John Baez wrote in 1996 ("Week 91") that "I've never quite seen anyone come right out and admit that triality arises from the permutations of the unit vectors…
From life's box of chocolates… Happy birthday to Piper Laurie. * Those who prefer their souvenirs without sentiment may consult the quaternions.
I revised the cubes image and added a new link to an explanatory image in posts of Dec. 30 and Jan. 3 (and at finitegeometry.org). (The cubes now…