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Sharp Riesz-Fejér Inequality for Harmonic Hardy Spaces

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Abstract

We prove sharp version of Riesz-Fejér inequality for functions in harmonic Hardy space \(h^{p}(\mathbb {D})\) on the unit disk \(\mathbb {D}\), for p > 1, thus extending the result from Kayumov et al. (Potential Anal. 52, 105–113, 2020) and resolving the posed conjecture.

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References

  1. Beckenbach, E.F.: On a theorem of Fejér and Riesz. J. London Math. Soc. 13, 82–86 (1938)

    Article  MathSciNet  Google Scholar 

  2. Calderón, A.P.: On theorems of M. Riesz and Zygmund. Proc. Amer. Math. Soc. 1(4), 533–535 (1950)

    Article  MathSciNet  Google Scholar 

  3. Fejér, L., Riesz, F.: Uber einige funktionentheoretische Ungleichungen. Math. Z. 11, 305–314 (1921)

    Article  MathSciNet  Google Scholar 

  4. Frazer, H.: On the moduli of regular functions. Proc. London Math. Soc. 36, 532–546 (1934)

    Article  MathSciNet  Google Scholar 

  5. Hollenbeck, B., Verbitsky, I.E.: Best constants for the Riesz projection. J. Funct. Anal. 175(2), 370–392 (2000). https://doi.org/10.1006/jfan.2000.3616.MR1780482

    Article  MathSciNet  MATH  Google Scholar 

  6. Howard, R., Schep, A.R.: Norms of positive operators on Lp spaces. Proc. Amer. Math. Soc. 109(1), 135–146 (1990)

    MathSciNet  MATH  Google Scholar 

  7. Huber, A.: On an inequality of Fejér and Riesz. Ann. Math. 63(3), 572–587 (1956)

    Article  MathSciNet  Google Scholar 

  8. Kalaj, D.: On Riesz type inequalities for harmonic mappings on the unit disk. Trans. Amer. Math. Soc. 372(6), 4031–4051 (2019)

    Article  MathSciNet  Google Scholar 

  9. Kayumov, I.R., Ponnusamy, S., Sairam Kaliraj, A.: Riesz-Fejér inequalities for Harmonic functions. Potential Anal. 52, 105–113 (2020)

    Article  MathSciNet  Google Scholar 

  10. Koosis, P.: Introduction to Hp spaces, Cambridge tracts in math, 2nd edn., vol. 115. Cambridge University Press, Cambridge (1998)

  11. Lozinski, S.: On subharmonic functions and their application to the theory of surfaces. Izv. Akad. Nauk SSSR Ser. Mat. 8(4), 175–194 (1944)

    MathSciNet  MATH  Google Scholar 

  12. Marković M., Melentijević P.: On the Hollenbeck-Verbitsky conjecture and M. Riesz theorem for various function spaces, preprint

  13. Pavlović, M.: Function classes on the unit disk. An introduction, De Gruyter studies in mathematics 52. ISBN:978-3-11-028190-3 (2013)

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Acknowledgments

We wish to express our gratitude to the anonymous referee for his/her helpful comments that have improved the quality of the paper.

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Correspondence to Petar Melentijević.

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The first author is partially supported by MPNTR grant 174017, Serbia, the second author is partially supported by MPNTR grant 174032

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Melentijević, P., Božin, V. Sharp Riesz-Fejér Inequality for Harmonic Hardy Spaces. Potential Anal 54, 575–580 (2021). https://doi.org/10.1007/s11118-020-09839-3

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