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Remove the Few Messages That Enable the Violation

A necessity-and-sufficiency method cut controlled multi-agent violations from 93 percent to 6 percent with fewer deletions.

Published Updated Story ID: mp-2026-11-10-004
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Summary

A necessity-and-sufficiency method cut controlled multi-agent violations from 93 percent to 6 percent with fewer deletions.

Collective Dependence Analysis tests which individually harmless messages were necessary and sufficient for a group of language-model agents to produce a policy violation. Across constructed cases, unscripted conversations and recorded interactions, selected removals reduced violations from 93 percent to 6 percent in controlled settings. The method used a linear number of model evaluations and matched that reduction with half as many deletions as a frontier-model transcript judge in eligible cases. Unfamiliar tasks still produce incomplete explanations, and removing a message can disrupt correct behavior.

Why it matters

A necessity-and-sufficiency method cut controlled multi-agent violations from 93 percent to 6 percent with fewer deletions.

Limits and context

No additional limitation was separately recorded.

Key claims

  1. A necessity-and-sufficiency method cut controlled multi-agent violations from 93 percent to 6 percent with fewer deletions.

    Evidence: source-2026-11-10-004

Sources

  1. arXiv preprint 2611.11724, original v1arXiv · primary research

Corrections

No corrections have been recorded for this story.