We discuss and extend to infinite dimensional Hilbert spaces a well-known tensoriality criterion for linear endomorphisms of the space of smooth vector fields in <IMG SRC="http:/img/fbpe/aabc/v74n2/m1img2.gif">n.
Tensor fields; Hilbert spaces
We discuss and extend to infinite dimensional Hilbert spaces a well-known tensoriality criterion for linear endomorphisms of the space of smooth vector fields in <IMG SRC="http:/img/fbpe/aabc/v74n2/m1img2.gif">n.
Tensor fields; Hilbert spaces