EntityQ977297· pop 10· linked from 476 articlestrace class operatorSign in to savecompact operator for which a finite trace can be definedConnectionsinner product spaceEntitytraceEntityisometryEntitybounded operatorEntityHilbert–Schmidt operatorEntitymathematicsEntityquantum mechanicsEntityInternational Standard Book NumberEntitylinear algebraEntityreal numberEntitytopologyEntitydigital object identifierEntityOCLC, Inc.EntityHilbert spaceEntityfunctional analysisEntityRiemann hypothesisEntitycalculus of variationsEntityif and only ifEntityCauchy–Schwarz inequalityEntityquantum stateEntityCategoriesLinear operatorsOperator theoryTopological tensor products