claim: Warren Beatty never worked with Trevor Griffiths.
evidence: In functional analysis , a discipline within mathematics , an operator space is a Banach space `` given together with an isometric embedding into the space B -LRB- H -RRB- of all bounded operators on a Hilbert space H. '' .. functional analysis. functional analysis. Banach space. Banach space. isometric. isometry. embedding. injective map. Hilbert space. Hilbert space. The appropriate morphisms between operator spaces are completely bounded maps .