Contractive projections in nonatomic function spaces

Randrianantoanina, Beata

doi:10.1090/S0002-9939-1995-1273518-8

Contractive projections in nonatomic function spaces
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Proc. Amer. Math. Soc. 123 (1995), 1747-1750 Request permission

Abstract:

We prove that there are no 1-complemented subspaces of finite codimension in separable rearrangement-invariant nonatomic function spaces not isometric to ${L_2}$.

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Projections of norm 1 on

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