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Yuma Ichikawa

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#artificial intelligence Preprint Sep 2026

LLM-as-an-Improver: Turning Verification into Better Candidates

LLM-as-an-Improver is introduced and Verify--Repair--Reselect (VRR) is proposed, which uses verification feedback to generate and reselect improved candidates and highlights a broader role for LLMs as improvers: verification feedback can not only select among existing solutions but also construct stronger candidates be...

Akiyoshi Tomihari, Yuma Ichikawa · 0 citations
Preprint Aug 2026

One Qubit Can Beat One Bit: Quantum Advantage for Post-Training Quantization

The Quantum Random Access Quantization framework encodes context-dependent signs in a quantum random-access code and retrieves them via context-matched Pauli measurements and produces an unbiased, context-specific binary surrogate with a tractable shot-noise penalty.

Yuma Ichikawa, Moeto Mishima · 0 citations
Book Open access Aug 2026

Kozuchi Agent: A Language-Agnostic Open-Weight Agent for Software Repair

Kozuchi Agent, a language-agnostic open-weight repair agent and CI-operated evaluation pipeline, is presented, showing that the remaining gap is primarily semantic correctness and selection rather than edit formatting or proprietary-model access.

M. Bahrami, Kosaku Kimura, Satoshi Munakata et al. · 0 citations
Jul 2026

Addressable Recall Compaction for Long Context-Window Control in AI Agents

Results indicate that explicit, address-based recall can improve information retention and serving efficiency relative to the evaluated context-management baselines under the tested settings.

T. Dang, Yuma Ichikawa, Sakina Fatima et al. · 0 citations
Jul 2026

LOGOS: A Living Logic for AI Agent Teams That Evolve With Humans

This work introduces logos, a pluggable layer for self-evolution and governance that strengthens existing multiagent frameworks rather than replacing them, and provides a living logic for accountable automation.

Yuma Ichikawa, Yamato Arai, Kosaku Kimura et al. · 0 citations

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