The essential norm of a composition operator on Orlicz spaces. (English) Zbl 1221.47042

The author gives estimates of the essential norm of composition operators, under some hypothesis on the symbol, acting on Orlicz spaces.


47B33 Linear composition operators
47A30 Norms (inequalities, more than one norm, etc.) of linear operators
46E30 Spaces of measurable functions (\(L^p\)-spaces, Orlicz spaces, Köthe function spaces, Lorentz spaces, rearrangement invariant spaces, ideal spaces, etc.)