Proceedings of the Japan Academy Series A Mathematical Sciences · 1961 · 87 citations · 0 references
Natural SciencesOrthodonticsInterior FinishesOperator TheoryNon-self-adjoint OperatorsOperator InequalitiesSelf-adjoint Operators
The object of the present note is to generalize the Heinz in- equality for selfadjoint operators to a wider class of accretive opera- tors.