# Approximation problems in modular spaces of double sequences.

Publicacions Matemàtiques (1990)

- Volume: 34, Issue: 2, page 259-268
- ISSN: 0214-1493

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topWaszak, Aleksander. "Approximation problems in modular spaces of double sequences.." Publicacions Matemàtiques 34.2 (1990): 259-268. <http://eudml.org/doc/41131>.

@article{Waszak1990,

abstract = {Let X denote the space of all real, bounded double sequences, and let Φ, φ, Γ be φ-functions. Moreover, let Ψ be an increasing, continuous function for u ≥ 0 such that Ψ(0) = 0.In this paper we consider some spaces of double sequences provided with two-modular structure given by generalized variations and the translation operator (...).},

author = {Waszak, Aleksander},

journal = {Publicacions Matemàtiques},

keywords = {Teoría de la aproximación; spaces of double sequences provided with two-modular structure; generalized variations; translation operator},

language = {eng},

number = {2},

pages = {259-268},

title = {Approximation problems in modular spaces of double sequences.},

url = {http://eudml.org/doc/41131},

volume = {34},

year = {1990},

}

TY - JOUR

AU - Waszak, Aleksander

TI - Approximation problems in modular spaces of double sequences.

JO - Publicacions Matemàtiques

PY - 1990

VL - 34

IS - 2

SP - 259

EP - 268

AB - Let X denote the space of all real, bounded double sequences, and let Φ, φ, Γ be φ-functions. Moreover, let Ψ be an increasing, continuous function for u ≥ 0 such that Ψ(0) = 0.In this paper we consider some spaces of double sequences provided with two-modular structure given by generalized variations and the translation operator (...).

LA - eng

KW - Teoría de la aproximación; spaces of double sequences provided with two-modular structure; generalized variations; translation operator

UR - http://eudml.org/doc/41131

ER -

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