The study of designs and, in particular, necessary and sufficient conditions for the existence of a block design.
Design Theory
See also
Block Design, Bruck-Ryser-Chowla Theorem, Design, Fisher's Block Design InequalityExplore with Wolfram|Alpha
References
Assmus, E. F. Jr. and Key, J. D. Designs and Their Codes. New York: Cambridge University Press, 1993.Colbourn, C. J. and Dinitz, J. H. (Eds.). CRC Handbook of Combinatorial Designs. Boca Raton, FL: CRC Press, 1996.Dinitz, J. H. and Stinson, D. R. (Eds.). "A Brief Introduction to Design Theory." Ch. 1 in Contemporary Design Theory: A Collection of Surveys. New York: Wiley, pp. 1-12, 1992.Lindner, C. C. and Rodger, C. A. Design Theory. Boca Raton, FL: CRC Press, 1997.Referenced on Wolfram|Alpha
Design TheoryCite this as:
Weisstein, Eric W. "Design Theory." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/DesignTheory.html