Contents

Ars Combinatoria

  • Research article

Some New \(4\)-Designs

Ziba Eslami1,2, G.B. Khosrovshahi1,2, M. Mohammad-Noori1,2, B. Taypeh-Rezaie1,2
1INSTITUTE FoR STupIES IN THEORETICAL Puysics AND MATHEMATICS (IPM), P.O. Box 19395-5746, Tainan, IRAN
2DEPARTMENT OF MATHEMATICS, UNIVERSITY OF TRHRAN, TEHRAN, IRAN
  • Published: 31/10/2004

Abstract

The existence question for the family of \(4-(15,5,\lambda)\) designs has long been answered for all values of \(\lambda\) except \(\lambda = 2\). Here, we resolve this last undecided case and prove that \(4-(15, 5, 2)\) designs are constructible.

Citation
Ziba Eslami, G.B. Khosrovshahi, M. Mohammad-Noori, B. Taypeh-Rezaie. Some New \(4\)-Designs[J], Ars Combinatoria, Volume 073. 225-229. .