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(* :Member of Institute of Mathematics for Industry)
(** :Member of Faculty of Arts and Science)
Operator Theory and Operator Algebra Theory
The field of operator theory and operator algebra theory researches discrete linear operators (infinite matrices) on Hilbert spaces and resulting algebraic systems. The analysis of noncommutativity and infinite dimensionality is a special concern of this field.
Academic Supervisors
MASUDA, Toshihiko , Professor  Operator Algebras, Subfactors, Group Actions 

SATO, Yasuhiko , Associate Professor  Operator Algebras, C*algebras, Group Actions, Nuclear Dimension, Classification Theory 
Cooperative Professors
HIROSHIMA, Fumio , Professor  Quantum Field Theory, Spectral Analysis, Functional Integration, Representation of CCR 

MATSUI, Taku , Professor  Mathematical Physics 