Efficiently solvable special cases of bottleneck travelling salesman problems
Discrete Applied Mathematics
Distributed loop computer networks: a survey
Journal of Parallel and Distributed Computing
Minimal sense of direction in regular networks
Information Processing Letters
On the impact of sense of direction on message complexity
Information Processing Letters
Minimal sense of direction and decision problems for Cayley graphs
Information Processing Letters
Complexity of Deciding Sense of Direction
SIAM Journal on Computing
Concrete Mathematics: A Foundation for Computer Science
Concrete Mathematics: A Foundation for Computer Science
Sense of direction in distributed computing
Theoretical Computer Science - Special issue: Distributed computing
Graph Theory With Applications
Graph Theory With Applications
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A sense of direction is an edge labeling on graphs that follows a globally consistent scheme and is known to considerably reduce the complexity of several distributed problems. In this paper we study a particular instance of sense of direction, called a chordal sense of direction (CSD). In special, we analyze the class of k-regular graphs that admit a CSD with exactly k labels (a minimal CSD). We prove that connected graphs in this class are Hamiltonian and that the class is equivalent to that of circulant graphs, presenting an efficient (polynomial-time) way of recognizing it when the graphs' degree k is fixed.