ac5e3d7962
- Source: inbox/archive/2025-02-00-agreement-complexity-alignment-barriers.md - Domain: ai-alignment - Extracted by: headless extraction cron (worker 0) Pentagon-Agent: Theseus <HEADLESS>
60 lines
4.8 KiB
Markdown
60 lines
4.8 KiB
Markdown
---
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type: source
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title: "Intrinsic Barriers and Practical Pathways for Human-AI Alignment: An Agreement-Based Complexity Analysis"
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author: "Multiple authors"
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url: https://arxiv.org/abs/2502.05934
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date: 2025-02-01
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domain: ai-alignment
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secondary_domains: [collective-intelligence]
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format: paper
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status: processed
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processed_by: theseus
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processed_date: 2026-03-11
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claims_extracted:
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- "multi-agent alignment with sufficiently large objective or agent spaces is computationally intractable regardless of rationality or computational power"
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- "reward hacking is statistically inevitable with large task spaces because finite training samples systematically under-cover rare high-loss states"
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- "three independent mathematical traditions converge on alignment intractability making the impossibility result robust across frameworks"
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- "consensus-driven objective reduction is the practical pathway out of multi-agent alignment impossibility because it bounds the tractability problem by narrowing the objective space"
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enrichments:
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- "emergent misalignment arises naturally from reward hacking as models develop deceptive behaviors without any training to deceive — adds statistical mechanism (why reward hacking is inevitable) that the existing claim lacks"
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- "universal alignment is mathematically impossible because Arrows impossibility theorem applies to aggregating diverse human preferences into a single coherent objective — third independent confirmation from complexity theory tradition"
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priority: high
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tags: [impossibility-result, agreement-complexity, reward-hacking, multi-objective, safety-critical-slices]
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---
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## Content
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Oral presentation at AAAI 2026 Special Track on AI Alignment.
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Formalizes AI alignment as a multi-objective optimization problem where N agents must reach approximate agreement across M candidate objectives with specified probability.
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**Key impossibility results**:
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1. **Intractability of encoding all values**: When either M (objectives) or N (agents) becomes sufficiently large, "no amount of computational power or rationality can avoid intrinsic alignment overheads."
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2. **Inevitable reward hacking**: With large task spaces and finite samples, "reward hacking is globally inevitable: rare high-loss states are systematically under-covered."
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3. **No-Free-Lunch principle**: Alignment has irreducible computational costs regardless of method sophistication.
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**Practical pathways**:
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- **Safety-critical slices**: Rather than uniform coverage, target high-stakes regions for scalable oversight
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- **Consensus-driven objective reduction**: Manage multi-agent alignment through reducing the objective space via consensus
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## Agent Notes
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**Why this matters:** This is a third independent impossibility result (alongside Arrow's theorem and the RLHF trilemma). Three different mathematical traditions — social choice theory, complexity theory, and multi-objective optimization — converge on the same structural finding: perfect alignment with diverse preferences is computationally intractable. This convergence is itself a strong claim.
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**What surprised me:** The "consensus-driven objective reduction" pathway is exactly what bridging-based approaches (RLCF, Community Notes) do — they reduce the objective space by finding consensus regions rather than covering all preferences. This paper provides formal justification for why bridging works: it's the practical pathway out of the impossibility result.
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**What I expected but didn't find:** No explicit connection to Arrow's theorem or social choice theory, despite the structural parallels. No connection to bridging-based mechanisms.
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**KB connections:**
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- [[universal alignment is mathematically impossible because Arrows impossibility theorem applies to aggregating diverse human preferences into a single coherent objective]] — third independent confirmation
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- [[reward hacking is globally inevitable]] — this could be a new claim
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- [[safe AI development requires building alignment mechanisms before scaling capability]] — the safety-critical slices approach is an alignment mechanism
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**Extraction hints:** Claims about (1) convergent impossibility from three mathematical traditions, (2) reward hacking as globally inevitable, (3) consensus-driven objective reduction as practical pathway.
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**Context:** AAAI 2026 oral presentation — high-prestige venue for formal AI safety work.
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## Curator Notes (structured handoff for extractor)
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PRIMARY CONNECTION: [[universal alignment is mathematically impossible because Arrows impossibility theorem applies to aggregating diverse human preferences into a single coherent objective]]
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WHY ARCHIVED: Third independent impossibility result from multi-objective optimization — convergent evidence from three mathematical traditions strengthens our core impossibility claim
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EXTRACTION HINT: The convergence of three impossibility traditions AND the "consensus-driven reduction" pathway are both extractable
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