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Sublinear functionals and invariant means. (English) Zbl 0826.46003
The authors study sublinear functionals which generate or dominate invariant means, i.e. linear positive functionals on the sequence space $$m$$, which are invariant under permutation of the indices.
##### MSC:
 46A45 Sequence spaces (including Köthe sequence spaces) 47B37 Linear operators on special spaces (weighted shifts, operators on sequence spaces, etc.)