Tag: Kummerhenge

Epistemic* Tetrads

"Those that can be obtained…." — Related music video: Waterloo. * "In defense of the epistemic view of quantum states: a toy theory," by Robert W. Spekkens, Perimeter Institute…

Kummer Varieties

The Dream of the Expanded Field continues… From Klein's 1893 Lectures on Mathematics — "The varieties introduced by Wirtinger may be called Kummer varieties…." — E. Spanier, 1956 From…

Geometric Incarnation

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…

Moonshine II

(Continued from yesterday) The foreword by Wolf Barth in the 1990 Cambridge U. Press reissue of Hudson's 1905 classic Kummer's Quartic Surface covers some of the material in yesterday's post Moonshine. The…

Moonshine

Unexpected connections between areas of mathematics previously thought to be unrelated are sometimes referred to as "moonshine."  An example—  the apparent connections between parts of complex analysis and groups related…

Edifice Complex

"Total grandeur of a total edifice, Chosen by an inquisitor of structures For himself. He stops upon this threshold, As if the design of all his words takes…

Sunday November 9, 2003

For Hermann Weyl's Birthday: A Structure-Endowed Entity "A guiding principle in modern mathematics is this lesson: Whenever you have to do with a structure-endowed entity S, try to…

Wednesday September 3, 2003

Reciprocity From my entry of Sept. 1, 2003: "…the principle of taking and giving, of learning and teaching, of listening and storytelling, in a word: of reciprocity…. … E….

Thursday December 5, 2002

Sacerdotal Jargon From the website Abstracts and Preprints in Clifford Algebra [1996, Oct 8]: Paper:  clf-alg/good9601 From:  David M. Goodmanson Address:  2725 68th Avenue S.E., Mercer Island, Washington 98040…