Category: Geometry Page 7 of 168

Dead Reckoning

Continued from yesterday. The passage on Claude Chevalley quoted here yesterday in the post Dead Reckoning was, it turns out, also quoted by Peter Galison in his essay "Structure of Crystal,…

In Memoriam…

… industrial designer Kenji Ekuan — Eightfold Design. The adjective "eightfold," intrinsic to Buddhist thought, was hijacked by Gell-Mann and later  by the Mathematical Sciences Research Institute (MSRI, pronounced "misery")….

Spielraum as Ω

  From "Origins of the Logical Theory of Probability: von Kries, Wittgenstein, Waismann," by Michael Heidelberger — "Von Kries calls a range of objective possibilities of a hypothesis or…

Savior for Atheists…

Continued from June 17, 2013 (John Baez as a savior for atheists): As an atheists-savior, I prefer Galois… The geometry underlying a figure that John Baez posted four…

A versus PA

"Reality is the beginning not the end, Naked Alpha, not the hierophant Omega, of dense investiture, with luminous vassals." — “An Ordinary Evening in New Haven” VI From…

Kulturkampf for Princeton*

Einstein and Thomas Mann, Princeton, 1938 A sequel to Princeton Requiem, Gesamtkunstwerk , and Serial Box —  Fearful Symmetry, Princeton Style: * See as well other instances of Kulturkampf  in…

Serial Box

Enotes.com on Herman Wouk's 1985 novel Inside, Outside :  "The 'outside' of the title is the goyish world into which David’s profession has drawn him; the 'inside' is the warm life of…

Points Omega*

The previous post displayed a set of 24 unit-square "points" within a rectangular array. These are the points of the  Miracle Octad Generator  of R. T. Curtis. The array…

Real Beyond Artifice

A professor at Harvard has written about "the urge to seize and display something real beyond artifice." He reportedly died on January 3, 2015. An image from this…

Gitterkrieg

(Continued) From the abstract of a talk, "Extremal Lattices," at TU Graz on Friday, Jan. 11, 2013, by Prof. Dr. Gabriele Nebe (RWTH Aachen) — "I will give a construction of…