EntityQ1474584· pop 7· linked from 452 articlesfunctional calculusSign in to savetheory allowing one to apply mathematical functions to mathematical operatorsConnectionsBanach algebraEntityspectrumEntityoperatorEntitymeasurable functionEntityholomorphic functional calculusEntitymathematicsEntityquantum mechanicsEntitymathematical analysisEntityfunctionEntitydifferential equationEntitymatrixEntityintegralEntityderivativeEntitypolynomialEntitylimitEntitycontinuous functionEntityvector calculusEntityHilbert spaceEntityfunctional analysisEntityRiemann hypothesisEntityCategoriesFunctional calculus