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Convolution operator and maximal function for the Dunkl transform

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Abstract

For a family of weight functionsh K invariant under a finite reflection group onR d, analysis related to the Dunkl transform is carried out for the weightedL p spaces. Making use of the generalized translation operator and the weighted convolution, we study the summability of the inverse Dunkl transform, including as examples the Poisson integrals and the Bochner-Riesz means. We also define a maximal function and use it to prove the almost everywhere convergence.

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References

  1. C. F. Dunkl,Differential-difference operators associated to reflection groups, Trans. Amer. Math. Soc.311 (1989), 167–183.

    Article  MATH  MathSciNet  Google Scholar 

  2. C. F. Dunkl,Integral kernels with reflection group invariance, Canad. J. Math.43 (1991), 1213–1227.

    MATH  MathSciNet  Google Scholar 

  3. C. F. Dunkl,Hankel transforms associated to finite reflection groups, inHypergeometric Functions on Domains of Positivity, Jack Polynomials, and Applications (Tampa, FL, 1991), Contemporary Mathematics138, Amer. Math. Soc., Providence, RI, 1992, pp. 123–138.

    Google Scholar 

  4. C. F. Dunkl,Intertwining operators and polynomials associated with the symmetric group, Monatsh. Math.126 (1998), 181–209.

    Article  MATH  MathSciNet  Google Scholar 

  5. C. F. Dunkl and Yuan Xu,Orthogonal Polynomials of Several Variables, Cambridge Univ. Press, 2001.

  6. S. Helgason,Topics in Harmonic Analysis on Homogeneous Spaces, Birkhäuser, Boston, 1981.

    MATH  Google Scholar 

  7. M. F. E. de Jeu,The Dunkl transform, Invent. Math.113 (1993), 147–162.

    Article  MATH  MathSciNet  Google Scholar 

  8. M. F. E. de Jeu,Paley-Wiener theorems for the Dunkl transform, Trans. Amer. Math. Soc. to appear. ArXiv:math.CA/0404439.

  9. T. H. Koornwinder,A new proof of a Paley-Wiener theorem for the Jacobi transform, Ark. Mat.13 (1975), 145–159.

    Article  MATH  MathSciNet  Google Scholar 

  10. H. Mejjaoli and K. Trimèche,On a mean value property associated with the Dunkl Laplacian operator and applications, Integral Transform. Spec. Funct.12 (2001), 279–302.

    Article  MATH  MathSciNet  Google Scholar 

  11. M. Rösler,Bessel-type signed hypergroups on R, inProbability Measures on Groups and Related Structures, XI (Oberwolfach 1994), (H. Heyer and A. Mukherjea, eds.), World Scientific, Singapore, 1995, pp. 292–304.

    Google Scholar 

  12. M. Rösler,Generalized Hermite polynomials and the heat equation for Dunkl operators, Comm. Math. Phys.192 (1998), 519–542.

    Article  MATH  MathSciNet  Google Scholar 

  13. M. Rösler,Positivity of Dunkl's intertwining operator, Duke Math. J.98 (1999), 445–463.

    Article  MATH  MathSciNet  Google Scholar 

  14. M. Rösler,One-parameter semigroups related to abstract quantum models of Calogero type, inInfinite Dimensional Harmonic Analysis (Kyoto, 1999) (H. Heyer, T. Hirai and N. Obata, eds.), Gräbner, Altendorf, 2000, pp. 290–305.

    Google Scholar 

  15. M. Rösler,A positive radial product formula for the Dunkl kernel, Trans. Amer. Math. Soc.355 (2003), 2413–2438.

    Article  MATH  MathSciNet  Google Scholar 

  16. M. Rösler and M. Voit,Markov processes associated with Dunkl operators, Adv. in Appl. Math.21 (1998), 575–643.

    Article  MATH  MathSciNet  Google Scholar 

  17. E. M. Stein,Topics in Harmonic Analysis Related to the Littlewood-Paley Theory, Princeton Univ. Press, Princeton, NJ, 1970.

    MATH  Google Scholar 

  18. E. M. Stein and G. Weiss,Introduction to Fourier Analysis on Euclidean Spaces, Princeton Univ. Press, Princeton, NJ, 1971.

    MATH  Google Scholar 

  19. K. Trimèche,Paley-Wiener theorems for the Dunkl transform and Dunkl translation operators, Integral Transform. Spec. Funct.13 (2002), 17–38.

    Article  MATH  Google Scholar 

  20. G. N. Watson,A Treatise on the Theory of Bessel Functions, 2nd edition, Cambridge University Press, London, 1962.

    Google Scholar 

  21. Yuan Xu,Integration of the intertwining operator for η-harmonic polynomials associated to reflection groups, Proc. Amer. Math. Soc.125 (1997), 2963–2973.

    Article  MATH  MathSciNet  Google Scholar 

  22. Yuan Xu,An integral formula for generalized Gegenbauer polynomials and Jacobi polynomials, Adv. in Appl. Math.29 (2002), 328–343.

    Article  MATH  MathSciNet  Google Scholar 

  23. A. Zygmund,Trigonometric Series, Cambridge University Press, 1959.

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ST wishes to thank YX for the warm hospitality during his stay in Eugene. The work of YX was supported in part by the National Science Foundation under Grant DMS-0201669.

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Thangavelu, S., Xu, Y. Convolution operator and maximal function for the Dunkl transform. J. Anal. Math. 97, 25–55 (2005). https://doi.org/10.1007/BF02807401

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  • DOI: https://doi.org/10.1007/BF02807401

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