Kodai Mathematical Journal

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

Hisaharu Umegaki · 1962 · 697 citations

Natural Sciences, Mathematics, Algebra +13

A convexity in metric space and nonexpansive mappings. I.

Wataru Takahashi · 1970 · 465 citations · Full text

Natural Sciences, Mathematics, Geometry +11

Almost contact structures and curvature tensors

Dirk Janssens, L. Vanhecke · 1981 · 269 citations

Natural Sciences, Mathematics, Physics +17

Elementary proof for Sion's minimax theorem

Hidetoshi Komiya · 1988 · 196 citations · Full text

Natural Sciences, Mathematics, Optimization +7

On the Cauchy problem for the system of fundamental equations describing the movement of compressible viscous fluid

Nobutoshi Itaya · 1971 · 159 citations · Full text

Natural Sciences, Mathematics, Physics +14