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Matsui Lab
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A lab that supports comfortable everyday life through optimization and algorithms.
AboutAbout the lab
Supporting comfortable living with mathematics and computers
The Matsui Lab conducts research that supports comfortable living by making full use of mathematics and computers.
Its specialties are optimization, algorithms, and combinatorics.
In Prof. Matsui's recent papers, the topics include the problem of scheduling sports games and the design of transportation networks that move goods via hubs.
The lab also lists operations research and game theory among its research keywords.
Key terms
- Optimization
- A mathematical method for finding the choice that gives the best result, such as the lowest cost or shortest time, under given conditions
- Algorithms
- A set of procedures and computational rules used to have a computer carry out a task
- Combinatorics
- A field of mathematics that studies the number and properties of ways to arrange and combine objects
NewsLab news
View More ↗ResearchResearch themes
The lab aims to support comfortable living by making full use of mathematics and computers. Specializing in optimization, algorithms, and combinatorics, it tackles problems such as sports scheduling and transportation network design.
*Illustrative imageOptimizing the masks that print semiconductor circuits
The fine circuits of a semiconductor are made by printing them through a mask that lets light pass. The lab studies fast methods for finding mask shapes that print correctly even with manufacturing variation, as well as formulations that can be solved on new types of computers such as quantum annealers.
*Illustrative imageDesigning networks that connect hubs
Logistics and communications often use hub-and-spoke networks, in which items are first gathered at a few hubs and then transported onward. The lab theoretically develops computationally fast algorithms that can design these networks with good accuracy.
MembersFaculty
- ProfessorTomomi MatsuiPublications ↗
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: “Simplex-method-3-dimensions” User:Sdo / CC BY-SA 3.0 (cropped)
- Optimizing the masks that print semiconductor circuits: “MA-6 & MJB-3 steppers at LAAS 0455” Guillaume Paumier (user:guillom) / CC BY-SA 3.0 (cropped)
- Designing networks that connect hubs: “Limpopo Hub and Spoke Air Feeder Network” Masingitahb / CC BY-SA 4.0 (cropped)
- Related lab (塩浦研究室): “Container Stacking, Port Of Onehunga” Ingolfson / Public domain (cropped)
- Related lab (中田研究室): “Train headway diagram ja” Tam0031 / CC BY-SA 3.0 (cropped)
- Related lab (小林研究室): “Aerial photograph of the Port of Miami Container Port” James R. Tourtellotte / Public domain (cropped)
- Related lab (大和研究室): “Crosby Garrett Helmet on auction at Christies” Portable Antiquities Scheme from London, England / CC BY 2.0 (cropped)
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