Skip to main content
Log in

A submultiplicative property of the Carathéodory metric on planar domains

  • Published:
Proceedings - Mathematical Sciences Aims and scope Submit manuscript

Abstract

Given a pair of smoothly bounded domains \(D_1, D_2 \subset \mathbb {C}\), the purpose of this paper is to obtain an inequality that relates the Carathéodory metrics on \(D_1, D_2, D_1 \cap D_2\) and \(D_1 \cup D_2\).

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. Burbea J, The curvatures of the analytic capacity, J. Math. Soc. Japan29(4) (1977) 755–761

    Article  MathSciNet  Google Scholar 

  2. Jarnicki M and Pflug P, Invariant distances and metrics in complex analysis, extended ed., De Gruyter Expositions in Mathematics, vol. 9 (2013) (KG Berlin: Walter de Gruyter GmbH & Co)

  3. Kraus D and Roth O, Strong submultiplicativity of the Poincaré metric, J. Anal.24(1) (2016) 39–50

    Article  MathSciNet  Google Scholar 

  4. Lars A and Beurling A, Conformal invariants and function-theoretic null-sets, Acta Math.83 (1950) 101–129

    Article  MathSciNet  Google Scholar 

  5. Sarkar A D and Verma K, Boundary behaviour of some conformal invariants on planar domains, preprint available at arXiv:1904.06867.pdf

  6. Suita N, On a metric induced by analytic capacity, Kōdai Math. Sem. Rep.25 (1973) 215–218

    Article  MathSciNet  Google Scholar 

  7. Suita N, On a metric induced by analytic capacity. II, Kōdai Math. Sem. Rep.27(1-2) (1976) 159–162

  8. Solynin A Yu, Ordering of sets, hyperbolic metric, and harmonic measure, Zap. Nauchn. Sem. S.-Peterburg. Otdel. Mat. Inst. Steklov. (POMI) vol. 237 (1997), Anal. Teor. Chisel i Teor. Funkts.14, 129–147, 230

  9. Solynin A Yu, Elliptic operators and Choquet capacities, Zap. Nauchn. Sem. S.-Peterburg. Otdel. Mat. Inst. Steklov. (POMI) vol. 371 (2009), Analiticheskaya Teoriya Chisel i Teoriya Funktsiĭ. 24, 149–156, 178–179

  10. Younsi M, On the analytic and Cauchy capacities, J. Anal. Math.135(1) (2018) 185–202

    Article  MathSciNet  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Amar Deep Sarkar.

Additional information

Communicating Editor: Parameswaran Sankaran

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Sarkar, A.D., Verma, K. A submultiplicative property of the Carathéodory metric on planar domains. Proc Math Sci 130, 35 (2020). https://doi.org/10.1007/s12044-020-00565-9

Download citation

  • Received:

  • Revised:

  • Accepted:

  • Published:

  • DOI: https://doi.org/10.1007/s12044-020-00565-9

Keywords

Mathematics Subject Classification

Navigation