Tag: Not Theology

Cameron's Group Theory Notes

In "Notes on Finite Group Theory" by Peter J. Cameron (October 2013), http://www.maths.qmul.ac.uk/~pjc/notes/gt.pdf, some parts are particularly related to the mathematics of the 4×4 square (viewable in various…

Up and Down

Heraclitus, Fragment 60 (Diels number): The way up and the way down is one and the same. ὁδὸς ἄνω κάτω μία καὶ ὡυτή hodòs áno káto mía kaì houté — http://www.heraclitusfragments.com/B60/index.html…

Post-Production (continued)

This journal on Oct. 2, the date of death for the developer of mathematical Braille — Clicking on the image of St. Peter's Square in that post led to… Braille,…

Incarnation, Part 2

From yesterday — "…  a list of group theoretic invariants and their geometric incarnation…" — David Lehavi on the Kummer 166 configuration in 2007 Related material — "The hint half guessed, the gift…