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Shattered Expectations ( Transformers : Shattered Glass )
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Plato and Kepler were in the right ball-park, but not really right. Both the solar system and atoms are described pretty well by similar laws—the inverse-square force laws for gravity and electrostatics. And solving this problem (in either the classical or quantum case) does indeed require a deep understanding of rotations in 3-dimensional space. …[T]he Platonic solids have as their symmetries finite subgroups of the rotation group in 3 dimensions…. [T]he real reason the inverse square force law problem is exactly solvable is a surprising symmetry in four-dimensional rotations.
John Baez
citing
Victor Guillemin and Shlomo Sternberg, Variations on a Theme by Kepler, American Mathematical Society. Providence, Rhode Island, 1990.
A blog about mathematics.
Updated Chapter 2: Subgroups!
The potential PDP subgroups have been announced!! Which one are you guys hoping for? My vote is for E!!
04. FIRST ORDER OPERATIVES— “This fierce machine which you have built, upon which we stand will bring an end to the Senate, to their cherished fleet. All remaining systems will bow to the First Order and will remember this as the last day of the Republic!” — General Armitage Hux
First Order pilots, agents, fighters & spies
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I really want Henry, Siwon, Donghae and Eunhyuk to form an official subgroup. So Cold is still one of my favorite suju songs, and I love their styles together so much!
Also I want a subgroup with Heechul and Henry and Zhou Mi, idc who else but I need these three to promote together!
also i really really want a vocal subgroup of zhou mi, sungmin and kangin but i know it’s not gonna happen cuz kangin and stuff
Groups and Subgroups: a General Overview
A blog about mathematics.
Finished Chapter 4: Cyclic Groups!
