On cross t-intersecting families of sets

Authors:
Norihide Tokushige
Affiliations:
College of Education, Ryukyu University, Nishihara, Okinawa 903-0213, Japan
Venue:
Journal of Combinatorial Theory Series A
Year:
2010

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Abstract

For all p, t with 0n"0 and k/n=p the following holds: if A and B are k-uniform families on n vertices, and |A@?B|=t holds for all A@?A and B@?B, then |A||B|=