Hirokazu SAITO
| Department of Computer and Network Engineering | Associate Professor |
| Cluster I (Informatics and Computer Engineering) | Associate Professor |
| Division of General Education（School of Informatics and Engineering ） | Associate Professor |
| Division of General Education（Graduate School of Informatics and Engineering） | Associate Professor |
Researcher Information
Career
- Apr. 2020 - Present
The University of Electro-Communications, Graduate School of Informatics and Engineering, Associate Professor - Mar. 2020 - Mar. 2020
The University of Electro-Communications, School of Informatics and Engineering, Associate Professor - 01 Apr. 2018 - 29 Feb. 2020
Tokyo University of Science, Faculty of Industrial Science and Technology, Liberal Arts, Junior Associate Professor - 01 Apr. 2016 - 31 Mar. 2018
Waseda University, Faculty of Science and Engineering, Assistant Professor - 01 Apr. 2015 - 31 Mar. 2016
Waseda University, Faculty of Science and Engineering, Junior Researcher
Research Activity Information
Award
Paper
- On the Solvability of Weak Transmission Problem in Unbounded Domains with Non-compact Boundaries
Hirokazu Saito; Jiang Xu; Xin Zhang; Wendu Zhou
Journal of Mathematical Fluid Mechanics, Springer Science and Business Media LLC, 27, 9, 1-31, 2025, Peer-reviwed
Scientific journal, English - Decay properties of the Stokes semigroup for two-phase incompressible viscous flows
Hirokazu Saito
Dissertationes Mathematicae, Institute of Mathematics, Polish Academy of Sciences, 598, 1-74, 2024, Peer-reviwed
Scientific journal, English - On the global wellposedness of free boundary problem for the Navier-Stokes system with surface tension
Hirokazu Saito; Yoshihiro Shibata
Journal of Differential Equations, Elsevier BV, 384, 1-92, 2024, Peer-reviwed
Scientific journal, English - Local Solvability for a Compressible Fluid Model of Korteweg Type on General Domains
Suma Inna; Hirokazu Saito
Mathematics, MDPI AG, 11, 10, 1-41, 2023, Peer-reviwed, Invited
Scientific journal, English - Resolvent Estimates for a Compressible Fluid Model of Korteweg Type and Their Application
Takayuki Kobayashi; Miho Murata; Hirokazu Saito
Journal of Mathematical Fluid Mechanics, Springer Science and Business Media LLC, 24, 12, 1-42, 2022, Peer-reviwed, Invited
Scientific journal, English - Time-Decay Estimates for Linearized Two-Phase Navier–Stokes Equations with Surface Tension and Gravity
Hirokazu Saito
Mathematics, MDPI AG, 9, 7, 1-43, 2021, Peer-reviwed, Invited
Scientific journal, English - Existence of $\mathcal{R}$‐bounded solution operator families for a compressible fluid model of Korteweg type on the half‐space
Hirokazu Saito
Mathematical Methods in the Applied Sciences, Wiley, 44, 2, 1744-1787, 2021, Peer-reviwed
Scientific journal, English - Unique solvability of elliptic problems associated with two-phase incompressible flows in unbounded domains
Hirokazu Saito; Xin Zhang
Discrete and Continuous Dynamical Systems, American Institute of Mathematical Sciences (AIMS), 41, 10, 4609-4643, 2021, Peer-reviwed
Scientific journal, English - On the maximal $L_p$-$L_q$ regularity for a compressible fluid model of Korteweg type on general domains
Hirokazu Saito
Journal of Differential Equations, Elsevier BV, 268, 6, 2802-2851, 2020, Peer-reviwed
Scientific journal, English - Some Free Boundary Problem for Two-Phase Inhomogeneous Incompressible Flows
Hirokazu Saito; Yoshihiro Shibata; Xin Zhang
SIAM Journal on Mathematical Analysis, Society for Industrial & Applied Mathematics (SIAM), 52, 4, 3397-3443, 2020, Peer-reviwed
Scientific journal, English - On some nonlinear problem for the thermoplate equations
Suma'inna; Hirokazu Saito; Yoshihiro Shibata
Evolution Equations and Control Theory, American Institute of Mathematical Sciences (AIMS), 8, 4, 755-784, 2019, Peer-reviwed
Scientific journal, English - Compressible Fluid Model of Korteweg Type with Free Boundary Condition: Model Problem
Hirokazu Saito
Funkcialaj Ekvacioj, Division of Functional Equations, The Mathematical Society of Japan (JST), 62, 3, 337-386, 2019, Peer-reviwed
Scientific journal, English - Global solvability of the Navier–Stokes equations with a free surface in the maximal $L_p$-$L_q$ regularity class
Hirokazu Saito
Journal of Differential Equations, Elsevier BV, 264, 3, 1475-1520, 2018, Peer-reviwed
Scientific journal, English - On the $\mathcal{R}$-boundedness of solution operator families for two-phase Stokes resolvent equations
Sri Maryani; Hirokazu Saito
Differential and Integral Equations, Khayyam Publishing, Inc, 30, 1/2, 1-52, 2017, Peer-reviwed
Scientific journal, English - Strong solutions for two-phase free boundary problems for a class of non-Newtonian fluids
Matthias Hieber; Hirokazu Saito
Journal of Evolution Equations, Springer Science and Business Media LLC, 17, 1, 335-358, 2017, Peer-reviwed, Invited
Scientific journal, English - On decay properties of solutions to the Stokes equations with surface tension and gravity in the half space
Hirokazu SAITO; Yoshihiro SHIBATA
Journal of the Mathematical Society of Japan, Mathematical Society of Japan (Project Euclid), 68, 4, 1559-1614, 2016, Peer-reviwed
Scientific journal, English - On the $\mathcal{R}$‐boundedness of solution operator families of the generalized Stokes resolvent problem in an infinite layer
Hirokazu Saito
Mathematical Methods in the Applied Sciences, Wiley, 38, 9, 1888-1925, 2015, Peer-reviwed
Scientific journal, English
Books and other publications
Lectures, oral presentations, etc.
- Asymptotic stability of the trivial steady state for the two-phase Navier-Stokes equations
Hirokazu Saito
Invited oral presentation, Japanese, MSJ Autumn Meeting 2023, Invited
23 Sep. 2023
20 Sep. 2023- 23 Sep. 2023 - On the two-phase free boundary problem for incompressible viscous flows
Hirokazu Saito
Invited oral presentation, Japanese, Annual Conference of the Division of Functional Equations of MSJ, Invited
19 Dec. 2020
19 Dec. 2020- 20 Dec. 2020
Affiliated academic society
Research Themes
- Stability of solutions of two-phase flow equations
Hirokazu Saito
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, The University of Electro-Communications, Early-Career Scientists, Principal investigator, 21K13817
Apr. 2021 - Mar. 2026 - Mathematical analysis of two-phase flow equations in unbounded domains
Hirokazu Saito
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Young Scientists (B), Principal investigator, 17K14224
Apr. 2017 - Mar. 2021 - Free boundary problems of incompressible viscous fluid flows
Hirokazu Saito
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Waseda University, Grant-in-Aid for JSPS Fellows, Principal investigator, 13J05259
Apr. 2013 - Mar. 2015
Academic Contribution Activities
- Seminar on Mathematical Fluid Mechanics
Academic society etc, Planning etc, Takayuki Kubo, Miho Murata, Hirokazu Saito, Keiichi Watanabe, Dec. 2023 - Present - RIMS Workshop on Mathematical Analysis of Viscous Incompressible Fluid
Academic society etc, Planning etc, Yasunori Maekawa, Hirokazu Saito, Ryo Takada, Dec. 2023 - Present
