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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.

MSC:
 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.)
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