Concepedia

Hisaharu Umegaki

HU

13

Publications

2.1K

Citations

11

H-Index

1954

Active since

Affiliations

Tokyo Institute of Technology(Current)

Hisaharu Umegaki is an author at Tokyo Institute of Technology specializing in functional analysis, probability theory, and engineering.

Top concepts

Functional AnalysisEngineeringProbabilityEntropyInformationSpectral TheoryRepresentation TheoryStatisticsCoding TheorySignal Processing

Publications per year

1954–1977

13

Publications

13

Integrals, conditional expectations, and martingales of multivalued functions

Fumio Hiai, Hisaharu Umegaki · Journal of Multivariate Analysis · 1977 · 707 citations

Integrable Probability, Stochastic Calculus, Probability Theory +2

Conditional expectation in an operator algebra. IV. Entropy and information

Hisaharu Umegaki · Kodai Mathematical Journal · 1962 · 659 citations

Introduction.the Theory, Engineering, Information Theory +12

Conditional expectation in an operator algebra, I

Hisaharu Umegaki · Tohoku Mathematical Journal · 1954 · 323 citations · Full text

Spectral Theory, Linear Operator, Engineering +5

Conditional expectation in an operator algebra. III.

Hisaharu Umegaki · Kodai Mathematical Journal · 1959 · 125 citations · Full text

Linear Operator, Integrable Probability, Conditional Expectation +2

A note on the entropy for operator algebras

Masahiro Nakamura, Hisaharu Umegaki · Proceedings of the Japan Academy Series A Mathematical Sciences · 1961 · 87 citations · Full text

Linear Operator, Engineering, Representation Theory +5

Rows per page

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