Abstract
Characterizations are given for 1-complemented hyperplanes of strictly monotone real Lorentz spaces and 1-complemented finite codimensional subspaces (which contain at least one basis element) of real Orlicz spaces equipped with either Luxemburg or Orlicz norm.
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Randrianantoanina, B. One-Complemented Subspaces of Real Sequence Spaces. Results. Math. 33, 139–154 (1998). https://doi.org/10.1007/BF03322078
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DOI: https://doi.org/10.1007/BF03322078