Skip to main content
Log in

Density of Smooth Functions in Anisotropic Weighted Sobolev Spaces with Weights that are Locally Bounded and Locally Bounded Away from Zero

  • Research Articles
  • Published:
Mathematical Notes Aims and scope Submit manuscript

Abstract

The density of smooth functions in weighted Sobolev spaces that are anisotropic with respect to the order of the derivatives and the weight functions is established.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. J. Deny and J. Lions, “Les espaces du type de Beppo,” Ann. Inst. Fourier (Grenoble) 5, 305–370 (1955).

    Article  MathSciNet  Google Scholar 

  2. V. I. Burenkov, “The density of infinitely differentiable functions in Sobolev spaces for an arbitrary open set,” Proc. Steklov Inst. Math. 131, 39–51 (1974).

    MathSciNet  MATH  Google Scholar 

  3. V. I. Burenkov, “On the density of infinitely differentiable functions in spaces of functions given on an arbitrary open set,” in Theory of Cubature Formulas and Applications of Functional Analysis to Problems of Mathematical Physics (Novosibirsk, 1975), pp. 9–22 [in Russian].

    Google Scholar 

  4. V. I. Burenkov, “Mollifying operators with variable step and their application to approximation by infinitely differentiable functions,” in Nonlinear Analysis, Function Spaces and Applications (Teubner, Leipzig, 1982), Vol. 2, pp. 5–37.

    MathSciNet  MATH  Google Scholar 

  5. V. I. Burenkov, Sobolev Spaces on Domains (B. G. Teubner, Stuttgart, 1998).

    Book  Google Scholar 

  6. V. Goldshtein and A. Ukhlov, “Weighted Sobolev spaces and embedding theorems,” Trans. Amer. Math. Soc. 361 (7), 3829–3850 (2009).

    Article  MathSciNet  Google Scholar 

  7. O. V. Besov, “Density of compactly supported functions in a weighted Sobolev space,” Proc. Steklov Inst. Math. 161, 33–52 (1984).

    MATH  Google Scholar 

  8. L. D. Kudryavtsev, “Construction of a sequence of compactly supported functions approximating functions of weight classes,” Proc. Steklov Inst. Math. 156, 131–139 (1983).

    MATH  Google Scholar 

  9. V. G. Maz’ya, Sobolev Spaces (Izd. Leningradsk. Univ., Leningrad, 1985) [in Russian].

    Book  Google Scholar 

  10. V. V. Zhikov, “Weighted Sobolev spaces,” Sb. Math. 189 (8), 1139–1170 (1998).

    Article  MathSciNet  Google Scholar 

  11. V. P. Il’in, “Conditions of validity of inequalities between \(L_{p}\)-norms of partial derivatives of functions of several variables,” Proc. Steklov Inst. Math. 96, 259–305 (1968).

    MATH  Google Scholar 

  12. O. V. Besov, V. P. Il’in, and S. M. Nikol’skii, Integral Representations of Functions and Embedding Theorems (Nauka, Moscow, 1996) [in Russian].

    MATH  Google Scholar 

  13. O. V. Besov, “Integral estimates for differentiable functions on irregular domains,” Sb. Math. 201 (12), 1777–1790 (2010).

    Article  MathSciNet  Google Scholar 

  14. A. Yu. Golovko, “Additive and multiplicative anisotropic estimates for integral norms of differentiable functions on irregular domains,” Proc. Steklov Inst. Math. 290 (1), 277–287 (2015).

    Article  MathSciNet  Google Scholar 

  15. S. L. Sobolev, Applications of Functional Analysis to Mathematical Physics (Nauka, Moscow, 1988) [in Russian].

    MATH  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to A. Yu. Golovko.

Additional information

Translated from Matematicheskie Zametki, 2021, Vol. 109, pp. 681-690 https://doi.org/10.4213/mzm12988.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Golovko, A.Y. Density of Smooth Functions in Anisotropic Weighted Sobolev Spaces with Weights that are Locally Bounded and Locally Bounded Away from Zero. Math Notes 109, 694–701 (2021). https://doi.org/10.1134/S0001434621050035

Download citation

  • Received:

  • Revised:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1134/S0001434621050035

Keywords

Navigation