Evolution of Collective AI Beyond Individual Optimization

Fuente: arXiv
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Autores principales: Takata, Ryosuke, Tang, Yujin, Tian, Yingtao, Maruyama, Norihiro, Kojima, Hiroki, Ikegami, Takashi
Formato: Preprint
Publicado: 2024
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author Takata, Ryosuke
Tang, Yujin
Tian, Yingtao
Maruyama, Norihiro
Kojima, Hiroki
Ikegami, Takashi
author_facet Takata, Ryosuke
Tang, Yujin
Tian, Yingtao
Maruyama, Norihiro
Kojima, Hiroki
Ikegami, Takashi
contents This study investigates collective behaviors that emerge from a group of homogeneous individuals optimized for a specific capability. We created a group of simple, identical neural network based agents modeled after chemotaxis-driven vehicles that follow pheromone trails and examined multi-agent simulations using clones of these evolved individuals. Our results show that the evolution of individuals led to population differentiation. Surprisingly, we observed that collective fitness significantly changed during later evolutionary stages, despite maintained high individual performance and simplified neural architectures. This decline occurred when agents developed reduced sensor-motor coupling, suggesting that over-optimization of individual agents almost always lead to less effective group behavior. Our research investigates how individual differentiation can evolve through what evolutionary pathways.
format Preprint
id arxiv_https___arxiv_org_abs_2412_02085
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Evolution of Collective AI Beyond Individual Optimization
Takata, Ryosuke
Tang, Yujin
Tian, Yingtao
Maruyama, Norihiro
Kojima, Hiroki
Ikegami, Takashi
Multiagent Systems
Artificial Intelligence
This study investigates collective behaviors that emerge from a group of homogeneous individuals optimized for a specific capability. We created a group of simple, identical neural network based agents modeled after chemotaxis-driven vehicles that follow pheromone trails and examined multi-agent simulations using clones of these evolved individuals. Our results show that the evolution of individuals led to population differentiation. Surprisingly, we observed that collective fitness significantly changed during later evolutionary stages, despite maintained high individual performance and simplified neural architectures. This decline occurred when agents developed reduced sensor-motor coupling, suggesting that over-optimization of individual agents almost always lead to less effective group behavior. Our research investigates how individual differentiation can evolve through what evolutionary pathways.
title Evolution of Collective AI Beyond Individual Optimization
topic Multiagent Systems
Artificial Intelligence
url https://arxiv.org/abs/2412.02085