Taihei Oki

J-GLOBAL         Last updated: Sep 18, 2019 at 19:25
 
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Name
Taihei Oki
URL
https://www.opt.mist.i.u-tokyo.ac.jp/~oki/en/
Affiliation
The University of Tokyo
Section
The Graduate School of Information Science and TechnologyDepartment of Mathematical Informatics
Job title
Ph.D. Student
ORCID ID
0000-0002-6862-9484

Research Areas

 
 

Academic & Professional Experience

 
Apr 2018
 - 
Today
Research Fellowship for Young Scientists (DC1), JSPS
 
Jun 2016
 - 
Feb 2018
RA, “The Network Graph Theories and Optimization” Group, JST ERATO Kawarabayashi Large Graph Project
 

Education

 
Apr 2016
 - 
Today
Department of Mathematical Informatics, Graduate School of Information Science and Technology, University of Tokyo
 
Apr 2013
 - 
Mar 2016
Department of Mathematical Engineering and Information Physics, Faculty of Engineering, University of Tokyo
 
Apr 2008
 - 
Mar 2013
Department of Control and Information Systems Engineering, Kurume National Institute of Technology
 

Awards & Honors

 
Jun 2019
Presentation Award, Workshop on Optimization and its Applications, the Operations Research Society of Japan
 
May 2017
Best Presentation Award, Workshop on Optimization: Foundations and Frontiers, the Operations Research Society of Japan
 
May 2016
Best Presentation Award, Workshop on Optimization: Foundations and Frontiers, the Operations Research Society of Japan
 
Mar 2013
Award for Excellent Academic Results, Kyushu Section, the Institute of Electronics, Information and Communication Engineers
 
Dec 2011
Commendation by the Minister of Education, Culture, Sports, Science and Technology
 

Published Papers

 
Improved structural methods for nonlinear differential-algebraic equations via combinatorial relaxation
Taihei Oki
Proceedings of the 44th International Symposium on Symbolic and Algebraic Computation (ISSAC ’19)   315-322   Aug 2019   [Refereed]
A compact representation for minimizers of k-submodular functions
Hiroshi Hirai and Taihei Oki
Journal of Combinatorial Optimization   36(3) 709-741   Oct 2018   [Refereed]
Index Reduction for Differential-Algebraic Equations with Mixed MatricesIndex reduction for differential-algebraic equations with mixed matrices
Satoru Iwata, Taihei Oki, and Mizuyo Takamatsu
Proceedings of the 8th SIAM Workshop on Combinatorial Scientific Computing 2018 (CSC '18)   45-55   Jun 2018   [Refereed]
A compact representation for minimizers of k-submodular functions (extended abstract)
Hiroshi Hirai and Taihei Oki
Proceedings of the 4th International Symposium on Combinatorial Optimization (ISCO '16)   381-392   Sep 2016   [Refereed]

Conference Activities & Talks

 
Improved Structural Methods for Nonlinear Differential-Algebraic Equations via Combinatorial Relaxation
Taihei Oki
The 44th International Symposium on Symbolic and Algebraic Computation (ISSAC '19)   Jul 2019   
Computing the Maximum Degree of Minors in Polynomial Matrices over Skew Fields
Taihei Oki
The 11th Hungarian-Japanese Symposium on Discrete Mathematics and Its Applications (HJ '19)   May 2019   
Index reduction for nonlinear differential-algebraic equations via combinatorial relaxation
Taihei Oki
NII Shonan Meeting Seminar 125 “Piecewise Smooth System and Optimization with Piecewise Linearlization via Algorithmic Differentiation”   Jun 2018   
Index reduction for differential-algebraic equations with mixed matrices
Satoru Iwata, Taihei Oki, and Mizuyo Takamatsu
The 8th SIAM Workshop on Combinatorial Scientific Computing (CSC '18)   Jun 2018   
A compact representation for minimizers of k-submodular functions
Hiroshi Hirai and Taihei Oki
The 4th International Symposium on Combinatorial Optimization (ISCO 2016)   May 2016   

Research Grants & Projects

 
Development of Index Reduction Methods for Differential-Algebraic Equations by Combinatorial Methods
JSPS: Grant-in-Aid for JSPS Research Fellow
Project Year: Apr 2018 - Mar 2021    Investigator(s): Taihei Oki
An Interaction of Weighted Combinatorial Optimization and Polynomial Matrix Theory
JST: ACT-I “Information and Future”
Project Year: Oct 2018 - Mar 2020    Investigator(s): Taihei Oki