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Signings of group divisible designs and projective planes [PDF]
Australas. J Comb., 1995 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Peter B. Gibbons, Rudolf Mathon
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On Group Divisible Rotatable Designs
Calcutta Statistical Association Bulletin, 1976Adhikary, Basudeb, Sinha, Bikas Kumar
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Group divisible designs with large block sizes
Designs, Codes and Cryptography, 2017In this paper, the author showed that there is a \((k,\lambda_k)\)-GDD, group divisible design, of type \((q^{l+1}-q^l)^{(q^{n-l}-1)/(q-1)}\), for any prime power \(q\) and any integers \(k\), \(n\) with \(3\leq k \leq n\), where \(\lambda_k=\frac{\prod_{i=3}^{k-1}(q^n-q^{l+i-1})}{(k-2)!}\) and \(k+l\leq n+1\).
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Matrix constructions of family (A) group divisible designs [PDF]
Australas. J Comb., 1995 A new construction of (not necessarily symmetric) group divisible designs (GDD) with \(b= 4(r- \lambda_2)\) is described (\(b\) denotes the number of blocks of the design, and \(\lambda_2\) the number of blocks through two points in different point classes; \(r\) is the number of blocks through a point). GDDs with this property are called ``family (A)''
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On Generalised Group Divisible Designs
Calcutta Statistical Association Bulletin, 1973openaire +2 more sources
Group Divisible Designs with Block Size Four and Group Type for
Journal of Combinatorial Designs, 2014Hengjia Wei, Gennian Ge
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Resolvable group divisible designs with block size four and index three
Discrete Mathematics, 2006Gennian Ge
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Resolvable group divisible designs with block size four and general index
Discrete Mathematics, 2009Gennian Ge
exaly
Group Divisible Designs with Variable Replications
Calcutta Statistical Association Bulletin, 1967openaire +2 more sources