Abstract
The theorem of Steinitz on the form of the set of points which are sums of convergent rearrangements of a given series is extended to series Σxk in the uniformly smooth Banach space X with modulus of smoothness ρ(t), satisfying the condition Σρ(¦|xk¦|) < ∞.
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V. Drobot, “Rearrangements of series of functions,” Trans. Amer. Math. Soc.,142, 239–248 (1969).
J. Lindenstrauss, “On the modulus of smoothness and divergent series in Banach spaces,” Michigan Math. J.,10, No. 3, 241–252 (1963).
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Translated from Matematicheskie Zametki, Vol. 11, No. 2, pp. 209–214, February, 1972.
In conclusion, the author expresses deep gratitude to M. I. Kadets for the formulation of the problem and guidance in the solution.
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Fonf, V.P. Conditionally convergent series in a uniformly smooth Banach space. Mathematical Notes of the Academy of Sciences of the USSR 11, 129–132 (1972). https://doi.org/10.1007/BF01097931
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DOI: https://doi.org/10.1007/BF01097931