Existence of orthogonal latin squares with aligned subsquares
Discrete Mathematics
Design theory
Four pairwise orthogonal Latin squares of order 24
Journal of Combinatorial Theory Series A
The existence of 3 orthogonal partitioned incomplete Latin squares of type tn
Discrete Mathematics
Four mutually orthogonal Latin squares of orders 28 and 52
Journal of Combinatorial Theory Series A - Series A
Four MOLS of orders 20, 30, 38, and 44
Journal of Combinatorial Theory Series A
On the existence of incomplete transversal designs with block size five
Discrete Mathematics
Thwarts in transversal designs
Designs, Codes and Cryptography
Perfect Mendelsohn Packing Designs with Block Size Five
Designs, Codes and Cryptography
Modified group divisible designs with block size 5 and λ = 1
Discrete Mathematics
The Existence of Four HMOLS with Equal Sized Holes
Designs, Codes and Cryptography
The existence of three idempotent IMOLS
Discrete Mathematics
Completely reducible super-simple designs with block size four and related super-simple packings
Designs, Codes and Cryptography
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The basic necessary condition forthe existence of a TD(5, λ; v)-TD(5, λ; u),namely v ≥ 4u, is shown to be sufficient forany λ ≥ 1, except when (v, u) = (6,1) and λ = 1, and possibly when (v,u) = (10, 1) or (52, 6) and λ= 1. For the case λ = 1, 86new incomplete transversal designs are constructed. Several constructiontechniques are developed, and some new incomplete TDs with blocksize six and seven are also presented.