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We address highly dynamic distributed systems modelled by time-varying graphs (TVGs). We are interested in proof of impossibility results that often use informal arguments about convergence. First, we provide a topological distance metric over sets of TVGs to correctly define the convergence of TVG sequences in such sets. Next, we provide a general framework that formally proves the convergence of...
We consider the deterministic terminating exploration of an anonymous, unoriented ring using asynchronous and oblivious robots.We address the problem of reducing the resource as much as possible in terms of number of required robots and in terms of vision capacities. We assume myopic robots, i.e., their vision is limited within a certain distance f, computed in terms of hops. It is known that assuming...
The model of autonomous oblivious and anonymous mobile robots recently emerged as an attractive distributed computing abstraction that permits to assess the intrinsic difficulties of many fundamentals tasks, such as exploring or gathering in a discrete space. We present and implement a generic method for obtaining all possible protocols for a swarm of mobile robots operating in a particular discrete...
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