The concept of completely regular codes was introduced by Delsarte in his celebrated 1973 thesis, which created the field of Algebraic Combinatorics. This notio

The concept of completely regular code was introduced by Delsarte in his celebrated 1973 thesis which created the field of Algebraic Combinatorics. This notion

Ever since the discovery of the five platonic solids in ancient times, the study of symmetry and regularity has been one of the most fascinating aspects of math

This graduate level text is distinguished both by the range of topics and the novelty of the material it treats--more than half of the material in it has previo

A collection of papers presented at the international conference IPM 20--Combinatorics 2009, which includes topics covering permutations, designs, graph minors,