Brick Wall « Log24

Thursday, April 23, 2020

Octads and Geometry

Filed under: General — Tags: Art Issue, Brick Space, Brick Symmetry, Brick Wall, Devs, Octad, Octad Generator, Octad Group, Overarching Group — m759 @ 10:11 pm

See the web pages octad.group and octad.us.

Related geometry (not the 759 octads, but closely related to them) —

The 4×6 rectangle of R. T. Curtis
illustrates the geometry of octads —

Curtis splits the 4×6 rectangle into three 4×2 "bricks" —

"In fact the construction enables us to describe the octads
in a very revealing manner. It shows that each octad,
other than Λ₁, Λ₂, Λ₃, intersects at least one of these ' bricks' —
the 'heavy brick' – in just four points." . . . .

— R. T. Curtis (1976). "A new combinatorial approach to M₂₄,"
Mathematical Proceedings of the Cambridge Philosophical Society ,
79, pp 25-42.

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Dead Poet Joke

Filed under: General — Tags: Art Issue, Brick Wall, Devs, Infernovision — m759 @ 8:42 pm

From the subtitles of the recent Kristen Stewart film “Underwater” —

427
00:30:26,144 –> 00:30:27,476
He’d always say
he had a new joke,

428
00:30:27,478 –> 00:30:29,445
and then he’d tell
the same stupid joke.

429
00:30:29,447 –> 00:30:32,785
I was… laughing at that joke.

430
00:30:34,053 –> 00:30:35,685
Yeah, what was it?

431
00:30:35,687 –> 00:30:38,654
What did the fish say when
it bumped into the brick wall?

April 11 was the dies natalis , in the Catholic sense, of John Horton Conway.
Related material: Other posts containing the phrase “brick wall.”

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