(January 16, 2026 16:00) Additional IMI Colloquium in January 2026
Yuji Shinano-sensei from Zuse Institute Berlin will be giving a special lecture.
Zuse Institute Berlin is also one of the cooperative institutions of the GPMI.
We warmly invite you to attend!
Please register to participate, either in person or online! -> Registration Form
| Date & Time | Friday, 16 January 2026 16:00-17:00 |
| Place | W1-D710 Seminar Room and Live streaming with Zoom |
| Speaker | Yuji Shinano／Zuse Institute Berlin, Germany |
| Title | Challenges to solve previously unsolved instances by using a large-scale parallel MIP solver |
| Abstract | Mixed-integer programming (MIP) solvers have achieved dramatic performance improvementsover the past thirty years and can be regarded as the most commercially successful class ofsolvers based on mathematical optimization. Because mixed-integer programming problemsare NP-hard, they are theoretically difficult to solve exactly. To address real-world problems,the solver-development community has established the benchmark dataset MIPLIB, which models practical problem instances, and has continuously advanced solver technology capable of handling these instances. Although all state-of-the-art commercial solvers now support parallel computation, only a very limited number implement the latest algorithms in a truly large-scale parallel environment. The Ubiquity Generator framework (UG), developed by the speaker,is a software framework designed to realize large-scale parallel solvers built on top of modern state-of-the-art MIP solvers.Parallel solvers based on UG have already been the first to obtain optimal solutions for more than twenty benchmark instances.This talk reports on the current state of large-scale parallel mixed-integer programming solvers developed using UG. |
Guidelines for Participating in Zoom Meetings
・The account name should be “Full name” in case of the faculty members, or “Student ID number (Last name)” (e.g.：1SC○○○○○A (Last name) in case of students.
・Please understand the host will mute the audience’s sound and camera.
・When you have a question, please use the “Raise hand function” or the “Chat function”. Then, the host will unmute.
IMI Colloquium Organizers
IKEMATSU, Yasuhiko <ikematsu@imi.kyushu-u.ac.jp>
KURATA, Sumito <kurata@imi.kyushu-u.ac.jp>
TAGAMI, Daisuke <tagami@imi.kyushu-u.ac.jp>