The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mathematics in 2026. The highlighted bar marks where Hitoshi Ishii sits on this spectrum.
This scientist: 130 publications — 27th percentile
27% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 537 publications or more.
The chart shows the D-index (discipline H-index) distribution of Mathematics scientists ranked by Research.com in 2026. The highlighted bar marks where Hitoshi Ishii sits on this spectrum.
This scientist: 41 D-Index — 49th percentile
49% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 86 D-Index or more.
Hitoshi Ishii is affiliated with Waseda University in Japan and specializes in mathematics and computer science with a focus on applied mathematics and computational theory. Their research spans several subfields including mechanical and aerospace engineering. The core topics in their work cover nonlinear partial differential equations, geometric analysis and curvature flows, advanced mathematical modeling in engineering, optimization and variational analysis, nonlinear differential equation analysis, spectral theory in mathematical physics, and quantum chaos and dynamical systems.
Among their recent publications are:
Hitoshi Ishii frequently publishes in several scientific venues, notably:
Their frequent coauthors include:
Hitoshi Ishii has contributed extensively to the fields of mathematics and computer science, with a portfolio of 45 publications in mathematics and 18 in computer science. Their research includes 35 works in applied mathematics and 12 in computational theory and mathematics.
The scope of their work engages important topics such as:
In recognition of their contributions, Hitoshi Ishii was named a Fellow of the American Mathematical Society in 2013.
Michael G. Crandall;Hitoshi Ishii;Pierre Louis Lions
H Ishii;P.L Lions
Hitoshi Ishii
Hitoshi Ishii
Paul Dupuis;Hitoshi Ishii
H. Ishii
Yoshikazu Giga;Shun'ichi Goto;Hitoshi Ishii;Moto-hiko Sato
Paul Dupuis;Hitoshi Ishii
I. Capuzzo Dolcetta;H. Ishii
Hitoshi Ishii
Michael G. Crandall;Hitoshi Ishii
Hitoshi Ishii
Hitoshi Ishii
Michael G. Crandall;Hitoshi Ishii;Pierre Louis Lions
Hitoshi Ishii
Hitoshi Ishii;Panagiotis Souganidis
Hitoshi Ishii;Shigeaki Koike
Hitoshi Ishii;Gou Nakamura
Hitoshi Ishii
L.C. Evans;H. Ishii
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