EntityQ1518047· pop 9· linked from 472 articlesHilbert–Schmidt operatorSign in to savenuclear operator of order 2; a bounded operator A on a Hilbert space H such that tr(A*A) is finiteConnectionsinner product spaceEntitytrace class operatorEntitymathematicsEntityInternational Standard Book NumberEntityDavid HilbertEntitytopologyEntityOCLC, Inc.EntityEuclidean spaceEntityHilbert spaceEntityfunctional analysisEntityRiemann hypothesisEntitycalculus of variationsEntityCauchy–Schwarz inequalityEntityidealEntityBanach spaceEntityidentity functionEntitynormed vector spaceEntitydual spaceEntityparallelogram lawEntitytensor productEntityCategoriesLinear operatorsOperator theory