Hisaharu Umegaki
About
Hisaharu Umegaki has authored 27 papers that have received a total of 1.4k indexed citations.
This includes 14 papers in Computational Theory and Mathematics, 10 papers in Mathematical Physics and 7 papers in Applied Mathematics. The topics of these papers are Matrix Theory and Algorithms (10 papers), Advanced Topics in Algebra (6 papers) and Holomorphic and Operator Theory (4 papers). Hisaharu Umegaki is often cited by papers focused on Matrix Theory and Algorithms (10 papers), Advanced Topics in Algebra (6 papers) and Holomorphic and Operator Theory (4 papers) and collaborates with scholars based in Japan, Slovakia and United States. Hisaharu Umegaki's co-authors include Masahiro Nakamura, Masahiro Nakamura, Makoto Tsukada, Masamichi Takesaki and A. T. Bharucha-Reid and has published in prestigious journals such as Journal of Mathematical Analysis and Applications, Journal of Multivariate Analysis and Tohoku Mathematical Journal
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