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- W4309395706 abstract "Strongly opinionated minorities can have a dramatic impact on the opinion dynamics of a large population. Two factions of inflexible minorities, polarised into two competing opinions, could lead the entire population to persistent indecision. Equivalently, populations can remain undecided when individuals sporadically change their opinion based on individual information rather than social information. Our analysis compares the cross-inhibition model with the voter model for decisions between equally good alternatives, and with the weighted voter model for decisions among alternatives characterised by different qualities. Here we show that cross-inhibition, differently from the other two models, is a simple mechanism, ubiquitous in collective biological systems, that allows the population to reach a stable majority for one alternative even in the presence of asocial behaviour. The results predicted by the mean-field models are confirmed by experiments with swarms of 100 locally interacting robots. This work suggests an answer to the longstanding question of why inhibitory signals are widespread in natural systems of collective decision making, and, at the same time, it proposes an efficient mechanism for designing resilient swarms of minimalistic robots." @default.
- W4309395706 created "2022-11-26" @default.
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- W4309395706 date "2022-11-17" @default.
- W4309395706 modified "2023-09-25" @default.
- W4309395706 title "Cross-inhibition leads to group consensus despite the presence of strongly opinionated minorities and asocial behaviour" @default.
- W4309395706 doi "https://doi.org/10.48550/arxiv.2211.09531" @default.
- W4309395706 hasPublicationYear "2022" @default.
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