scholarly journals Group Divisible Designs with Two Associate Classes and

2011 ◽  
Vol 2011 ◽  
pp. 1-10 ◽  
Author(s):  
Nittiya Pabhapote ◽  
Narong Punnim

The original classiffcation of PBIBDs defined group divisible designs GDD() with . In this paper, we prove that the necessary conditions are suffcient for the existence of the group divisible designs with two groups of unequal sizes and block size three with .

2006 ◽  
Vol 15 (1) ◽  
pp. 2-14 ◽  
Author(s):  
Chengmin Wang ◽  
Yu Tang ◽  
Peter Danziger

2006 ◽  
Vol 306 (10-11) ◽  
pp. 939-947 ◽  
Author(s):  
A.E. Brouwer ◽  
A. Schrijver ◽  
H. Hanani

1999 ◽  
Vol 195 (1-3) ◽  
pp. 15-25 ◽  
Author(s):  
Ahmed M. Assaf ◽  
Ruizhong Wei

2008 ◽  
Vol 308 (13) ◽  
pp. 2663-2673 ◽  
Author(s):  
Spencer P. Hurd ◽  
Dinesh G. Sarvate

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