T-DESIGNS

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Weight distribution of Preparata codes over Z_4 and the construction of 3-designs
《Science China Mathematics》2014年第6期1155-1162,共8页LI WeiXia SHEN Hao 
supported by National Natural Science Foundation of China(Grant No.11071163);Doctor Fund of Shandong Province(Grant No.BS2009SF017)
In this paper,we calculate the number of the codewords(with Hamming weight 7)of each type in the Preparata codes over Z4,then give the parameter sets of 3-designs constructed from the supports of the codewords of each...
关键词：T-DESIGNS weight distribution Preparata codes over Z4 
A Note on Authentication Codes with Arbitration被引量：1
《Chinese Quarterly Journal of Mathematics》1997年第4期103-106, ,共4页李育强 
By use of partially balanced t-designs (v,b, k;λ,0) that is constructed by the rational normal curves given by [5] and the Cartesian product given by [4],an authentication code with arbitration is constructed and its...
关键词：authentication codes ARBITRATION partially balanced t-designs 
ON BALANCED n-ARY t-DESIGNS
《红河学院学报》1990年第4期19-27,共9页Guo Li-ming ( Department of Mathematics, Yunnan Teachers’ University ) 
A t-(v,k,λ)design(X,B)is a set X of points,of cardinality v,and a collection B of k-subsets of X called blocks,with the property that every t-subset of X is contained in precisely λ blocks.A t-design is a t-(v,k,λ)...
关键词：BALANCED n-ary T-DESIGNS INCIDENCE STRUCTURE 
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