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We investigate a distributed maximal independent set reconfiguration problem, in which there are two MIS for which every node is given its membership status, and the nodes need to communicate with their neighbors to find a reconfiguration schedule from the first MIS to the second. We forbid two neighbors to change their membership status at the same step. We provide efficient solutions when the intermediate sets are only required to be independent and 4-dominating, which is almost always possible. Consequently, our goal is to pin down the tradeoff between the possible length of the schedule and the number of communication rounds. We prove that a constant length schedule can be found in O(MIS+R32) rounds. For bounded degree graphs, this is O(log⁎n) rounds and we show that it is necessary. On the other extreme, we show that with a constant number of rounds we can find a linear length schedule.
|Number of pages||12|
|Journal||JOURNAL OF COMPUTER AND SYSTEM SCIENCES|
|Early online date||1 Jan 2020|
|Publication status||Published - Sep 2020|
|MoE publication type||A1 Journal article-refereed|
- Distributed computing
- Maximal independent sets
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- 1 Finished
Charting the Landscape of Distributed Time Complexity
Hirvonen, J., Purcell, C., Suomela, J., Korhonen, J., Balliu, A., Rabie, M. & Olivetti, D.
01/09/2015 → 31/08/2019
Project: Academy of Finland: Other research funding