New THE MATHEMATICA JOURNAL article:
Inversive Geometry. Part 3: Quandles, Inverting Triangles to Triangles and Inverting into Concentric Circles
by JAIME RANGEL-MONDRAGÓN
ABSTRACT: This article continues the presentation of a variety of applications around the theme of inversion: quandles, inversion of one circle into another and inverting a pair of circles into congruent or concentric circles.