Volterra-type inner derivations on Hardy spaces

H. Arroussi, C. Tong, J. A. Virtanen +1

A classical result of Calkin [Ann. of Math. (2) 42 (1941), pp. 839-873] says that an inner derivation $S\mapsto [T,S]=TS-ST$ maps the algebra of bounded operators on a Hilbert sp…