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On the primarity of some block intersection graphs
(University of the Western Cape, 2018)
A tactical con guration consists of a nite set V of points, a nite set B of
blocks and an incidence relation between them, so that all blocks are incident
with the same number k points, and all points are incident with ...
Codes Related to and Derived from Hamming Graphs
(University of the Western Cape, 2013)
For integers n, k 2:: 1, and k ~ n, the graph r~has vertices the 2n vectors of lF2 and adjacency defined by two vectors being adjacent if they differ in k coordinate positions. In particular, r~is the classical n-cube, ...