activity
20242026
collaborators

5 papers

cs.MA2026

Emergence of Reputation-Based Cooperation in LLM Agents

Kazuya Horibe, Kenji Itao, Wataru Toyokawa

Can cooperation among large language model (LLM) agents be evolutionarily stable against free-rider invasion? We study an indirect reciprocity donation game where LLM agents observ…

nlin.AO2026

Scale-Dependent Collective Adaptation in Self-Amending LLM Societies: A Cross-Family Study of Emergent Governance

Kazuya Horibe, Masaomi Hatakeyama, Gen Masumoto +2

We study group decision-making in artificial societies where the rules of play are themselves subject to collective amendment. Using the self-amending game Nomic, we compare multip…

nlin.AO2025

Agency at the Interface: Distinguishing Teleological from Structural Self-Organization via Internal Coarse-Graining and Downward Causation

Kazuya Horibe, Keisuke Suzuki

Agency is widely characterized as the capacity of a system to regulate its internal states toward self-generated goals, yet characterizing the functional basis of this autonomy req…

q-bio.PE2025

Evolvable Chemotons: Toward the Integration of Autonomy and Evolution

Kazuya Horibe, Daichi G. Suzuki

In this study, we provide a relatively simple simulation framework for constructing artificial life (ALife) with both autonomous and evolutionary aspects by extending chemoton mode…

cs.NE2024

Emergence of Implicit World Models from Mortal Agents

Kazuya Horibe, Naoto Yoshida

We discuss the possibility of world models and active exploration as emergent properties of open-ended behavior optimization in autonomous agents. In discussing the source of the o…