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#artificial intelligence Preprint Sep 2026

The Delegation Danger Band: Why Mid-Capability Sub-Agents Over-Trust Inherited Stale State

Agent frameworks increasingly delegate work by forking sub-agents; a common default makes the child inherit the parent's full working context. We measure how the effect of inherited state changes with capability, where $C_m$ denotes clean fork-fresh accuracy. We compare 3 inheritance policies: Reset (fork fresh: base e...

Jun-Hao Hu, S. Ramachandran · 0 citations
#artificial intelligence Preprint Sep 2026

The Memory Trust Gap: Capability-Dependent Failures in Persistent-Memory Agents

This work evaluates a frozen, closed-set, action-scored benchmark with 2 suites that represent 2 different meanings of "no memory", finding that at the 3 smaller scales, models trust a stale document more than a stale memory; at 8B, the difference is not significant.

Jun-Hao Hu, S. Ramachandran · 1 citation
#machine learning Preprint Sep 2026

The Structure of Quantization Damage in LLMs: Why the Next Bit Should Be Spent Globally

Post-training quantization (PTQ) is widely used to reduce the cost of serving large language models (LLMs), but its accuracy cost is uneven and is often tuned per model. We study where quantization damage occurs and how to allocate a small additional precision budget. Using causal mixed-precision intervention as ground...

Jun-Hao Hu, S. Ramachandran · 1 citation

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