DEPARTMENT OF MATHEMATICS ALGEBRA AND COMBINATORICS SEMINAR 12 noon THURSDAY 2 SEPTEMBER 2004 in 67-641 INFINITE DESIGNS Bridget Webb The Open University, UK Abstract Infinite designs are quite rare in the literature: most books on design theory have no mention of them at all. In this talk I will present a brief history of infinite designs, give a precise definition, and compare some properties of finite and infinite designs. All welcome.