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Optimal grid holey packings with block size 3 and 4
Authors:Bin Wen  Jianmin Wang  Jianxing Yin
Institution:(1) Department of Mathematics, Suzhou University, Suzhou, 215006, People’s Republic of China;(2) Department of Mathematics, Changshu Institute of Technology, Suzhou, 215500, People’s Republic of China
Abstract:The notion of a grid holey packing (GHP) was first proposed for the construction of constant composite codes. For a GHP (k, 1; n ×  g) of type w 1, . . . , w g ], where $${k = \sum_{j=1}^{g} w_j}$$ , the fundamental problem is to determine the packing number N(w 1, . . . , w g ], 1; n ×  g), that is, the maximum number of blocks in such a GHP. In this paper we determine completely the values of N(w 1, . . . , w g ], 1; n ×  g) in the case of block size $${k\in \{3, 4\}}$$ .
Keywords:Grid holey packing  Optimal  Segmental grid holey packing
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