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Introduce a new document on Human–AI Ecosystems and SheLL.

Author: vishwaparekh

research/human-ai-ecosystems.md

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+title: Human–AI Ecosystems
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+## Human–AI Ecosystems & SheLL
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+Instead of treating models as isolated tools, we view AI as part of a larger ecosystem of humans and agents that learn from each other over time.
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+In this vertical, we explore:
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+- **SheLL (Shared Experience Lifelong Learning)** – frameworks for sharing knowledge and experience across institutions, agents, and tasks.
+- **Multi-agent collaboration** – how AI systems and humans can coordinate, specialize, and exchange information.
+- **Autonomous research assistants** – algorithmic foundations for agents that can help design studies, run experiments, and iterate on ideas.
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+These projects aim to move from single-model training toward continuous, collective intelligence that accelerates scientific discovery.