Journals / Turkish Journal of Mathematics / 2020 / Cilt: 44 - Sayı: 1

Approximation by matrix transforms in weighted Orlicz spaces

Pages
179–193
Publication Date
2020-01-20
DOI
—
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⚡ TL;DR(Too Long; Didn't Read)

In this work the approximation problems of the functions by matrix transforms in weighted Orlicz spaces with Muckenhoupt weights are studied.We obtain the degree of approximation of functions belonging to Lipschitz class Lip(α,M,ω) through matrix transforms , and Nörlund means Nn(x,f) of their trigonometric Fourier series.

📌 3 Key Takeaways

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Objective & Hypothesis:In this work the approximation problems of the functions by matrix transforms in weighted Orlicz spaces with Muckenhoupt weights are studied.We obtain the degree of approximation of functions belonging to Lipschitz class Lip(α,M,ω) through matrix transforms , and Nörlund means Nn(x,f) of their trigonometric Fourier series.
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Key Findings & Data:In this work the approximation problems of the functions by matrix transforms in weighted Orlicz spaces with Muckenhoupt weights are studied.We obtain the degree of approximation of functions belonging to Lipschitz class Lip(α,M,ω) through matrix transforms , and Nörlund means Nn(x,f) of their trigonometric Fourier series.
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Conclusion & Impact:In this work the approximation problems of the functions by matrix transforms in weighted Orlicz spaces with Muckenhoupt weights are studied.We obtain the degree of approximation of functions belonging to Lipschitz class Lip(α,M,ω) through matrix transforms , and Nörlund means Nn(x,f) of their trigonometric Fourier series.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Matrix transforms · trigonometric approximation · Orlicz space

Abstract

In this work the approximation problems of the functions by matrix transforms in weighted Orlicz spaces with Muckenhoupt weights are studied.We obtain the degree of approximation of functions belonging to Lipschitz class Lip(α,M,ω) through matrix transforms , and Nörlund means Nn(x,f) of their trigonometric Fourier series.

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Cite This Article

JAFAROV, S. Z. (2020). Approximation by matrix transforms in weighted Orlicz spaces. Turkish Journal of Mathematics, Cilt: 44 - Sayı: 1, 179–193. https://ajindex.com/articles/193218

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References (14)

  1. Akgun A. Trigonomeric approximation of functions in generalized Lebesgue spaces with variable exponent. Ukrainian Mathematical Journal 2011; 63 (1): 3-23
  2. Akgun A. Polynomial approximation of functions in weighted Lebesgue and Smirnov spaces with nonstandart growth. Georgian Mathematical Journal 2011; 18: 203-235
  3. Akgun R, Israfilov DM. Approximation and moduli of fractional orders in Smirnov-Orlicz classes. Glasnik Matematicki 2008; 43 (63): 121-13 [4] Akgun R, Koç H. Simultaneous approximation of functions in Orlicz spaces with Muchenhoupt weights. Complex Variables and Elliptic Equations 2016; 61 (8): 1107-1115
  4. Acerbi E, Mingione G. Regularity results for a class of functions with non-standart growth. Archive for Rational Mechanics and Analysis 2001; 156: 121-140
  5. Böttcher A, Karlovich YI. Carleson curves, Muckenhoupt Weights and Teoplitz Operators. Basel, Switzerland: Birkhauser-Verlag, 1997
  6. Bennett C, Sharpley YI. Interpolation of Operators. Boston, MA, USA: Academic Press, 1988 [8] Boyd DW. Spaces between a pair of reflexive Lebesgue spaces. Proceedings American Mathematical Society 1967; 18: 215-219
  7. Boyd DW. Indices of function spaces and their relationship to interpolation. Canadian Mathematical Journal 1969; 21: 1245-1254 [10] Boyd DW. İndices for the Orlicz spaces. Pacific Journal of Mathematics 1971; 38: 315-325
  8. Bilalov BT, Seyidova FSh. Basicity of a system of exponents with a piecewise linear phase in Morrey-type spaces. Turkish Journal of Mathematics 2019; 43: 1850-1866
  9. Bilalov BT, Guseynov ZG. Basicity of a system of exponents with a piece-wise linear phase in variable spaces. Mediterranean Journal of Mathematics 2012; 9 (3): 487-498
  10. Bilalov BT, Huseyinli AA, El-Shabrawy SR. Basis properties of trigonometric systems in weighted Morrey spaces. Azerbaijan Journal of Mathematics 2019; 9 (2): 183-209
  11. Colombo M, Mingione G. Regularity for double phase variational problems. Archive for Rational Mechics and Analysis 2015; 215 (2): 443-496 [15] Chandra P. Trigonometric approximation of functions in Lp−norm. Journal of Mathematical Analysis and Applications 2002; 277 (1): 13-26
  12. Chandra P. Approximation by Nörlund operators Matematički Vesnik. 1986; 38: 263-259
  13. Chandra P. A note on degre of approximation by Nörlund and Riesz operators Matematički Vesnik. 1990; 42: 9-10
  14. Guven A. Trigonometric approximation of functions in weighted Lpspaces. Sarajevo Journal of Mathematics 2009; 5