A spectral form of the dispersion model in designs with arbitrarily unequal block sizes

Further results on the maximum size of a

Further results on the maximum size of a hole in an incomplete t-wise balanced design with specified minimum block size

✍ I. Adamczak; D. L. Kreher; A. C. H. Ling; R. S. Rees 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 English ⚖ 192 KB 👁 1 views

## Abstract Kreher and Rees 3 proved that if __h__ is the size of a hole in an incomplete balanced design of order υ and index λ having minimum block size $k \ge t+1$, then, They showed that when __t__ = 2 or 3, this bound is sharp infinitely often in that for each __h__ ≥ __t__ and each __k__ ≥ _