Existence of Simple Incomplete Triple Systems with Small Index

Shanhai Li 1, Jun Ma2
1School of Mathematics and Quantitative Economics , Shandong University of Finance and Economics, Jinan Shandong 250014 China
2Department of Mathematics, Shanghai JiaoTong University Shanghai 200240 China

Abstract

In this paper, we determine the necessary and sufficient conditions for the existence of simple incomplete triple systems for all \( \lambda \leq 6 \).

Keywords: incomplete triple system, simple, embedding, differ- ence triple. Mathematics Subject Classification (2010): 05B07