cs.MA · 2026-08-25 · No. 95

Multiagent Systems, 2026-08-25.

3 new papers in cs.MA. Titles, authors, abstracts. Links to arXiv. Want this in your inbox every morning? Subscribe →

01 — The papers

3 entries
  1. 01

    The Interaction Tax: When Communication Erases Diversity in Multi-Agent Teams

    Summer Eunhyung Ann, Haokun Liu, Chenhao Tan

    cs.MA · cs.AI

    Does multi-agent LLM interaction help or hurt? Some work reports gains from debate (Du et al., 2024), critique loops (Chen et al., 2025), and mixture-of-agents synthesis (Wang et al., 2025), while other work finds that interaction adds cost without improving quality under equal budgets (Tran & Kiela, 2026; Xu et al., 2026; Jarrett et al., 2025), or that independent sampling already captures multi-agent gains (Li et al., 2024). We argue this...

    arxiv.org/abs/2608.23541 · PDF

  2. 02

    Right-Sizing LLM-Agent Decomposition in VAT Determination: A Pilot Controlled Sweep

    Pedro Santos

    cs.MA · cs.AI · cs.SE

    Recent LLM-agent systems make conflicting design bets: decompose work across many narrow agents, or use one strong tool-using agent. This pilot studies that choice on bounded cross-border VAT determination with reverse charge, where every case has an oracle label and each intermediate decision is independently scoreable. We hold the activity surface fixed (subtasks, tools, I/O schemas, validation checks, orchestrator, base model, and merge...

    arxiv.org/abs/2608.23395 · PDF

  3. 03

    Minimal Local Simulation Foundations for LLM- and VLM-Driven Agents in 2D and 3D Environments

    Ryuki Hyodo

    cs.MA · cs.AI

    Large language models (LLMs) and vision-language models (VLMs) are expanding the range of behaviors that can be represented in agent-based simulations, but many contemporary platforms are difficult to study, modify, or run on ordinary computers. We present two intentionally minimal simulation foundations for education and rapid prototyping. SD-AgentFoundry-2D provides a two-dimensional multi-agent environment in which locally hosted LLM...

    arxiv.org/abs/2608.22833 · PDF

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