Fumio Hiai

123 papers and 3.4k indexed citations i.

About

Fumio Hiai is a scholar working on Applied Mathematics, Mathematical Physics and Computational Theory and Mathematics. According to data from OpenAlex, Fumio Hiai has authored 123 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 76 papers in Applied Mathematics, 47 papers in Mathematical Physics and 32 papers in Computational Theory and Mathematics. Recurrent topics in Fumio Hiai’s work include Mathematical Inequalities and Applications (58 papers), Matrix Theory and Algorithms (28 papers) and Advanced Operator Algebra Research (27 papers). Fumio Hiai is often cited by papers focused on Mathematical Inequalities and Applications (58 papers), Matrix Theory and Algorithms (28 papers) and Advanced Operator Algebra Research (27 papers). Fumio Hiai collaborates with scholars based in Japan, Hungary and South Korea. Fumio Hiai's co-authors include Dėnes Petz, Hisaharu Umegaki, Milán Mosonyi, Tsuyoshi Andô, Hideki Kosaki, Makoto Tsukada, Masanori Ohya, Tomohiro Ogawa, Jean-Christophe Bourin and Yoshimichi Ueda and has published in prestigious journals such as IEEE Transactions on Information Theory, Communications in Mathematical Physics and Lecture notes in mathematics.

In The Last Decade

Co-authorship network of co-authors of Fumio Hiai i

Fields of papers citing papers by Fumio Hiai

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Fumio Hiai. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Fumio Hiai. The network helps show where Fumio Hiai may publish in the future.

Countries citing papers authored by Fumio Hiai

Since Specialization
Citations

This map shows the geographic impact of Fumio Hiai's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Fumio Hiai with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Fumio Hiai more than expected).

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar’s output or impact.

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