Proper noun
Coxeter (plural Coxeters)
A surname.
Both Roger Penrose and H. S. M. Coxeter were deeply impressed with Escher's intuitive grasp of mathematics. Source: Internet
Coxeter (1973) Attempts to generalise the Euler characteristic of polyhedra to higher-dimensional polytopes led to the development of topology and the treatment of a decomposition or CW-complex as analogous to a polytope. Source: Internet
Generalizations Parity can be generalized to Coxeter groups : one defines a length function which depends on a choice of generators (for the symmetric group, adjacent transpositions ), and then the function gives a generalized sign map. Source: Internet
Compact Euclidean uniform tessellations (by their infinite Coxeter group families) Fundamental domains in a cubic element of three groups. Source: Internet
He then constructed a diagram, which he sent to Coxeter, showing his analysis; Coxeter confirmed it was correct, but disappointed Escher with his highly technical reply. Source: Internet
In 1957, Coxeter obtained Escher's permission to use two of his drawings in his paper "Crystal symmetry and its generalizations". Source: Internet