Category: Geometry Page 14 of 168

Sermon

The previous post discussed the anatomy of the sum 9 + 6. A different approach:  “A” and “The 6 spreads in A” below —

Uncommon Noncore

This post was suggested by Greg Gutfeld’s Sept. 4 remarks on Common Core math. Problem: What is 9 + 6 ? Here are two approaches suggested by illustrations of…

Symplectic Structure

(Continued) The fictional zero theorem  of Terry Gilliam's current film by that name should not be confused with the zero system underlying the diamond theorem.

Raiders of the Lost Articulation

Tom Hanks as Indiana Langdon in Raiders of the Lost Articulation : An unarticulated (but colored) cube: A 2x2x2 articulated cube: A 4x4x4 articulated cube built from subcubes like…

Where the Joints Are

An image related to the recent posts Sense and Sensibility: A quote from yesterday's post The Eight: A possible source for the above phrase about phenomena "carved at…

A Seventh Seal

This post was suggested by the two previous posts, Sermon and Structure. Vide  below the final paragraph— in Chapter 7— of Cameron’s Parallelisms , as well as Baudelaire in…

Sermon

Epigraphs from Parallelisms of Complete Designs by Peter J. Cameron (Cambridge University Press, 1976) Introduction Through the unknown, remembered gate When the last of earth left to discover…

Sensibility

Structured gray matter: Graphic symmetries of Galois space: The reason for these graphic symmetries in affine  Galois space — symmetries of the underlying projective  Galois space:

Smoke and Mirrors

This post is continued from a March 12, 2013, post titled "Smoke and Mirrors" on art in Tromsø, Norway, and from a June 22, 2014, post on the nineteenth-century  mathematicians Rosenhain…

Infinite Jest

“1 + 2 + 3 + … = –1/12.” — Keith Devlin, Sept. 2, 2014 Robin Williams and the Stages of Math i)   shock & denial ii)…