Tag: Rosenhain and Göpel Page 2 of 3
(Continued) See The Oslo Version in this journal and the New Year’s Day 2014 post. The pictures of the 56 spreads in that post (shown below) are based on the 20 Rosenhain and 15 Göpel tetrads…
(Continued from Mystery Box, Feb. 4, and Mystery Box II, Feb. 5.) The Box Inside the Box Outside the Box For the connection of the inside notation to the outside geometry, see…
The Kummer 166 configuration is the configuration of sixteen 6-sets within a 4×4 square array of points in which each 6-set is determined by one of the 16 points of the array…
Mathematics: A review of posts from earlier this month — Wednesday, September 4, 2013 Moonshine Filed under: Uncategorized — m759 @ 4:00 PM Unexpected connections between areas of mathematics previously thought…
The following excerpt from a January 20, 2013, preprint shows that a Galois-geometry version of the large Desargues 154203 configuration, although based on the nineteenth-century work of Galois* and of Fano,** may at times have twenty-first-century…
Best vs. Bester The previous post ended with a reference mentioning Rosenhain. For a recent application of Rosenhain's work, see Desargues via Rosenhain (April 1, 2013). From the…
From an arXiv preprint submitted July 18, 2011, and last revised on March 11, 2013 (version 4): "By our construction, this vector space is the dual of our hypercube…
Some historical background for today's note on the geometry underlying the Curtis Miracle Octad Generator (MOG): The above incidence diagram recalls those in today's previous post on the MOG, which…