(Ilmumisaeg: 02-Oct-2020, PDF+DRM, Kirjastus: American Mathematical Society, ISBN-13: 9781470454654)
A Cornucopia of Quadrilaterals collects and organizes hundreds of beautiful and surprising results about four-sided figures-for example, that the midpoints of the sides of any quadrilateral are the vertices of a parallelogram, or that in a convex qua...Loe edasi...
(Ilmumisaeg: 30-Jun-2017, PDF+DRM, Kirjastus: American Mathematical Society, ISBN-13: 9781470440503)
This book introduces a simple dynamical model for a planar heat map that is invariant under projective transformations. The map is defined by iterating a polygon map, where one starts with a finite planar N-gon and produces a new N-gon by a presc...Loe edasi...
