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 Fumio Hiai sits on this spectrum.
This scientist: 176 publications — 52nd percentile
52% 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 Fumio Hiai 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.
Fumio Hiai is affiliated with Tohoku University in Japan and conducts research primarily in the fields of Mathematics and Computer Science. Their scholarly work spans several subfields including Applied Mathematics, Mathematical Physics, Computational Theory and Mathematics, Artificial Intelligence, and Geometry and Topology.
Their main research topics cover a range of advanced mathematical and physical theories such as Mathematical Inequalities and Applications, Advanced Operator Algebra Research, Advanced Banach Space Theory, Matrix Theory and Algorithms, Spectral Theory in Mathematical Physics, Quantum Information and Cryptography, and Quantum Mechanics and Applications.
Fumio Hiai has contributed to several academic papers in notable journals and conferences. Recent publications include:
Frequent collaborators of Hiai include researchers such as Milán Mosonyi, Yongdo Lim, Shuhei Wada, Hideki Kosaki, and Anna Jenčová, reflecting a focus on interdisciplinary and international cooperation.
The venues that frequently publish Hiai's work feature both preprint and peer-reviewed sources, with multiple contributions to arXiv (Cornell University), IEEE Transactions on Information Theory, European Journal of Mathematics, Integral Equations and Operator Theory, and Advances in Operator Theory.
In addition to journal articles, their contributions extend to book publications, including titles such as:
These books further emphasize their specialization in operator algebras and quantum information theory, fields that intersect abstract mathematics and theoretical physics.
Fumio Hiai;Hisaharu Umegaki
Fumio Hiai;Dénes Petz
Fumio Hiai;Dénes Petz
Tsuyoshi Ando;Fumio Hiai
Fumio Hiai;Petz Denes
Fumio Hiai;Denes Petz
Fumio Hiai;Milán Mosonyi;Milán Mosonyi;Dénes Petz;Cédric Bény
Fumio Hiai
M Mosonyi;F Hiai
Fumio Hiai;Milán Mosonyi
Fumio Hiai;Dénes Petz
Fumio Hiai;Masanori Ohya;Makoto Tsukada
Fumio Hiai
Fumio Hiai
Fumio Hiai;Hideki Kosaki
Fumio Hiai;Hideki Kosaki
Tsuyoshi Ando;Fumio Hiai
Fumio Hiai
Fumio Hiai;Dénes Petz
Fumio Hiai
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