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Izumi Lab
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The lab explores algorithms for distributed and parallel systems through mathematics.

AboutAbout the lab
Exploring the essence of what makes problems hard, through mathematics.
The Izumi Lab researches the design and analysis of algorithms for a wide range of computational models, centered on distributed and parallel systems.
By building mathematical models of computational targets and analyzing them theoretically, the lab explores the essence of what makes problems difficult and aims to apply it to designing better algorithms.
Theoretical computer science, the field the lab works in, emphasizes uncovering the principles of how various problems can be solved computationally, in a form that can be mathematically proved.
As a rule, students assigned to the lab research topics based on what interests them.
Key terms
- Theoretical computer science
- A field of information science that uncovers the principles of how various problems can be solved computationally, in a form that can be mathematically proved
- Computational model
- A framework that mathematically defines how a computer operates and what it can do
- Distributed and parallel computing
- A way of computing in which many computers work together to solve a single problem
NewsLab news
A doctoral student received the Outstanding Presentation Award at the Information Science Workshop 2026
A paper presented by an alumnus was accepted for a special issue of Theoretical Computer Science
A paper written by Prof. Izumi and others was accepted by Distributed Computing
A paper was accepted by Theoretical Computer Science
ResearchResearch themes
From the standpoint of theoretical computer science, the lab formulates the phenomena and problems that computers are meant to handle as mathematical models, devises efficient algorithms and analyzes them theoretically, and clarifies the limits of computational performance. The lab names its areas of strength as distributed and parallel computing, the mathematics of autonomous distributed robot swarms, graph algorithms, and algorithms for computationally hard problems.
View More ↗MembersFaculty
The Izumi Lab consists of faculty members, collaborators, invited faculty members, administrative staff, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorTaisuke Izumi
- Assistant ProfessorNaoki Kitamura
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: “Cluster.SlashFive” MEGWARE Computer GmbH / CC BY-SA 3.0 (cropped)
- Algorithm design that can be mathematically proved: “Euclid's algorithm function box” Wvbailey / CC BY 3.0 (cropped)
- Related lab (Kawahara Lab): “Artificial Neural Network with Chip” mikemacmarketing / original posted on flickr Liam Huang / clipped and posted on flickr / CC BY 2.0 (cropped)
- Related lab (Wakamiya Lab): “A starling murmuration at Eyemouth - geograph.org.uk - 6378647” Walter Baxter / CC BY-SA 2.0 (cropped)
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