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Osogami Lab
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A lab that uses mathematics to explore rational decision-making under uncertainty.
AboutAbout the lab
Exploring what rational decision-making means through mathematics
The Osogami Lab studies mathematically what should count as a rational decision in situations where there is uncertainty about future conditions or other people's actions.
From the perspective of the mathematical sciences, the lab analyzes what information should be processed, and how, to make rational judgments. It aims to implement and apply the results as algorithms that can be used in the real world.
Research is conducted at IBM Research – Tokyo, part of IBM Japan, Ltd.
Students can join this lab starting at the graduate level.
Key terms
- AI agent
- AI that is increasingly taking over decision-making from humans. It optimizes its actions to achieve its given objective as fully as possible.
- Alignment
- Making an AI's objectives consistent with the true intentions of humans. If the objectives diverge, the AI may have unexpected negative effects on society.
ResearchResearch themes
AI and machine learning are widely used to supplement the limited computational and information-processing abilities of humans and to support better decision-making. This lab theoretically explores what rational decision-making under uncertainty is, and in recent years has focused on decision-making situations involving AI agents.
Alignment of AI Agents
Applying decision theories such as reinforcement learning and mechanism design, the lab aims to build methodologies and institutional mechanisms that align the behavior of AI agents with human values. Based on mathematical analysis, it works on both theory and practice to improve the safety and reliability of AI.
Decision-Making Involving Risk and Strategy
The lab also develops theory and algorithms for risk-aware decision-making, strategic decision-making, and probabilistic models such as Boltzmann machines. Through this foundational research, it is searching for new ways to solve complex decision-making problems involving AI agents.
MembersFaculty
- Affiliated Associate ProfessorTakayuki Osogami
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Sunderland University Experimental Robot Arm” MichaelShort1975 / CC BY-SA 4.0 (cropped)
- Related lab (Miyamoto Lab): “ELIZA conversation” 作者不詳 / Public domain (cropped)
- Related lab (Sei Lab): “Playing with Kilobots” QuarkyTale / CC BY-SA 4.0 (cropped)
- Related lab (Nagahama Lab): “Autonomous Delivery Vehicle Pileup” Mbrickn / CC BY-SA 4.0 (cropped)
- Related lab (Okamoto Lab): “Shopping online with bank card” Bogdan Hoyaux / European Commission / CC BY 4.0 (cropped)
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