Design Theory
Bill Cherowitzo's Hyperoval Page
Hyperovals in Desarguesian Planes and related structures in arbitrary projective planes.
D.H. Rees Home Page
Information on Nested and Orthogonal BIBDs and related topics.
Design and Analysis of Experiments
Construction and analysis of comparative experiments at the Horticultural Research Institute.
Design Theory Resource Server
A research project founded by the UK Engineering and Physical Sciences Research Council.
Distributed.net: Project OGR
Describes the computerized effort to prove that the known shortest Golomb rulers (up to 25 marks) are really the shortest, or else find the actual shortest ones.
Golomb Rulers
Table of lengths of shortest known Golomb rulers, counts of optimal and near-optimal rulers, and some Fortran programs for dealing with Golomb rulers.
Golomb Rulers - The Search For 20, 21 and 22!
The search for optimal Golomb Rulers with 20, 21 and 22 marks.
Handbook of Combinatorial Designs
Home page for The CRC Handbook of Combinatorial Designs.
La Jolla Covering Repository
A database of good covering designs constructed by Dan Gordon.
Mathematical Association of America - Math Games: Rulers, Arrays, and Gracefulness
Ed Pegg Jr. writes about the history (and future) of Golomb rulers and related concepts.
Mathworld - Golomb Ruler
Description and theory, with references to additional reading.
Orthogonal Arrays
A library of over 200 orthogonal arrays maintained by N. J. A. Sloane.
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