The matching polynomial of a polygraph
Discrete Applied Mathematics
Algebraic approach to fasciagraphs and rotagraphs
Discrete Applied Mathematics
Minimizing the size of an identifying or locating-dominating code in a graph is NP-hard
Theoretical Computer Science
On a new class of codes for identifying vertices in graphs
IEEE Transactions on Information Theory
European Journal of Combinatorics
Identifying codes of cycles with odd orders
European Journal of Combinatorics
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An identifying code of a graph is a subset of vertices C such that the sets B(v) ∩ C are all nonempty and different. In this paper, we investigate the problem of finding identifying codes of minimum cardinality in strips and finite grids. We first give exact values for the strips of height 1 and 2, then we give general bounds for strips and finite grids. Finally, we give a sublinear algorithm which finds the minimum cardinality of an identifying code in a restricted class of graphs which includes the grid.