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Article Dans Une Revue Theoretical Computer Science Année : 2024

Resource efficient stabilization for local tasks despite unknown capacity links

Résumé

We consider the problem of constructing a maximum independent set with mobile myopic luminous robots on a grid network whose size is finite but unknown to the robots. In this setting, the robots enter the grid network one by one from a corner of the grid, and they eventually have to be disseminated on the grid nodes so that the occupied positions form a maximum independent set of the network. We assume that robots are asynchronous, anonymous, silent and they execute the same distributed algorithm. In this paper, we propose two algorithms: The first one assumes that the number of light colors of each robot is three and the visible range is two, but uses the additional assumption that a local edge-labeling exists for each node. To remove this assumption, the second one assumes that the number of light colors of each robot is seven, and that the visible range is three. In both algorithms, the number of movements is $O(n(L+l))$ steps, where $n$ is the number of nodes and $L$ and $l$ are the grid dimensions.
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hal-04685228 , version 1 (03-09-2024)

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Lélia Blin, Anaïs Durand, Sébastien Tixeuil. Resource efficient stabilization for local tasks despite unknown capacity links. Theoretical Computer Science, 2024, 1013 (1), pp.114744. ⟨10.1016/j.tcs.2024.114744⟩. ⟨hal-04685228⟩
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