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JOURNALS // Matematicheskie Zametki // Archive

Mat. Zametki, 2007 Volume 81, Issue 4, Pages 490–495 (Mi mzm3692)

This article is cited in 2 papers

On Subspaces of $C[0,1]$ Consisting of Nonsmooth Functions

E. I. Berezhnoi

P. G. Demidov Yaroslavl State University

Abstract: For each Hölder space $H^\omega$, we construct an infinite-dimensional closed subspace $G$ of $C[0,1]$, isomorphic to $l^1$ and such that, for each function $x\in G$ not identically zero, its restriction to the set of positive measure does not belong to the Hölder space $H^\omega$.

Keywords: Banach space, nonsmooth function, modulus of continuity, Lebesgue measure.

UDC: 513.88

Received: 25.03.2006

DOI: 10.4213/mzm3692


 English version:
Mathematical Notes, 2007, 81:4, 435–439

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© Steklov Math. Inst. of RAS, 2025