List of Publications

P. Horváth Ágota

1. Characterization of Hermite-Fourier series, Colloq. Math. Soc. J. Bolyai 58. Approx. Theory, Kecskemét (Hungary) (1990), 367-375.
2. Laguerre-tempered distributions and their expansions, Acta Math. Hungar. 67(1-2) (1995), 109-118.
3. Jackson order of Approximation by Chebyshev-Fourier series, Acta Math. Hungar. 71(1-2) (1996), 131-143.
4. (with József Szabados ) Polynomial approximation and interpolation on the real line with respect to general classes of weights, Results in Mathematics 34 (1998), 120-131.
5. r(w)-normal point systems, Acta Math. Hungar. 85 (1-2) (1999), 9-27.
6. Approximation in Weighted Spaces, Phd dolgozat, 1999.
7. Characterization of Fourier Series with (C,1) Means, Suppl. Rendiconti del Circ. Math. di Palermo Ser. 2 (68) 2002.
8. Jackson order of approximation by Riesz means for Freud weights, Proc. of the conf. Constructive Function Theory, Varna, 2002. (Edited by B. Bojanov).
9. Weighted Hermite-Fejér interpolation on Laguerre nodes, Acta Math. Hung. 100(4)(2003), 271-291
10. (with K. S. Kazarian) The Dirichlet Problem in Weighted Norm, A. Renyi Inst., Preprint No. 9/2006
11. Weighted Hermite-Fejér Interpolation on the Real Line , Acta Math. Hungar. 115 (1-2) (2007), 101-131.
12. Abel Summation in Hermite-type Weighred Spaces with Singularities, East J. on Approx 13 (4) (2007), 357-385.
13. Biorthonormal Systems in Freud-type WeightedSspaces with Infinitely Many Zeros, Acta Math. Hungar 130 (1-2) (2011), 78-117.
14. Near-best Approximation by a de laVallée Poussin-type Interpolatory Operator (to appear)
15. (with P. Vértesi) A Contributionto the Grünwald-Marcinkiewicz Theorem (submitted)

Conferences, Visits:

• Approximation Theory, Kecskemét, 1989.
  Talk: Characterization of Hermite-Fourier Series
• The first European Congress of Mathematics, Paris, July, 1992.
• 2^nd International Conference in Functional Analysis and Approximation Theory, Acquafredda di Maratea, September 1992.
  Talk: On Hermite-Fourier Coefficients
• Conference of young researchers MTA MAKI, November, 1993.

Talk: Fourier series with coefficient growing polynomially

• Conference Dedicated to Paul Erdős, Budapest, May, 1993.
• Constructive Approximation and its Applications (d. to P. Rabinowitz), Tel- Aviv, May, 1994.

Talk: Two Possibilities of Giving Tempered Distributions on Arbitrary Intervals on the Real Line

• International Conference on Approximation Theory and Function Series (d, to K. Tandori), Budapest, August, 1995 (as a member of organizing commettee)
  Talk: Jackson-order of Approximation by Chebyshev-Fourier Series
• 3^nd International Conference in Functional Analysis and Approximation Theory, Acquafredda di Maratea, September 1996.

Talk: On w_r-normal Point Systems

• Workshop dedicated to J. Szabados, Budapest, August 1998.
• Workshop dedicated to Gy. Alexits, Budapest, 1999.
• Workshop on Analysis, Budapest, June, 2000.
• 4^th International Conference in Functional Analysis and Approximation Theory, Acquafredda di Maratea, September, 2000.

Talk: Characterization of Fourier Series with (C,1) Means

• Workshop on Approximation Theory and Differential Equations, Budapest, June, 2001.

Talk: Hermite-Fejér Interpolation on the Half-line

• Int. Conf. on Constructive Function Theory, Varna, June, 2002.

Talk: Jackson order of approximation by Riesz means for Freud weights

• Workshop dedicated to G. Freud, Budapest 2002.
• 5^th International Conference in Functional Analysis and Approximation Theory, Acquafredda di Maratea, June, 2004.

Talk: Weighted Fekete Points as 1(w)-normal Point Systems

• International Conference : Constructive Theory of Functions, Varna, June, 2005.

Talk: Rodrigues' Property in Weigted Spaces

• Fejér-Riesz Conference, Eger, June, 2005.

Talk: Weighted Hermite-Fejér Interpolation on the Real Line

• Fourth Summer School in Potential Theory, Debrecen, July, 2005.

Talk: Regularity with respect to the Dirichlet Problem

• Universidad Autonoma de Madrid, Madrid, Sep. 2005..

• Universidad Autonoma de Madrid, Madrid, Dec. 2005..

• Int. Conf. in Fourier and Complex Analysis, Protaras, Cyprus, May 2006.

Talk: Abel- summation in Hermite-type Weighted Spaces

• Workshop in Approximation Theory, Kiten, Bulgaria, Sept. 2006.

Talk: Dirichlet Problem and Summation Methods in Weighted Spaces

• Universidad Autonoma de Madrid, Madrid, Dec. 2006..

I. G. Petrovskii Conference, Moscow, May, 2007.

Talk: Dirichlet Problem in Weighted Spaces

• Ural State University, Ekaterinburg, June, 2007.

Talk: Characterization of Types of Fourier Series

• Institute of Math. And Mech. of the Ural Branch of the Russian Academy of Sciences, June, 2007.

Talk: Weighted Hermite-Fejér Interpolation

• Second Workshop on Extremal Problems in Fourier Analysis, September, 2007. ( organizer)
• Constructive Theory of Functions Campos do Jordao, Brazil, June 2008

Talk: Complete and minimal systems in Freud-type weighted spaces

• 7th International Summer School in Potential Theory, Baja, Hungary, July, 2008 .
• Conference on Approximation Theory, Budapest, Hungary, July, 2008.

Talk: Abel-summation, Dirichlet-problem, biorthonormal systems

• International Conference on Applied Mathematics and Approximation Theory, Memphis, USA, October, 2008.

Talk: Biorthonormal systems in weighted spaces with singularities

• 3rd Workshop in Fourier Analysis and Related Fields, Budapest, Hungary, September, 2009. (organizer)

Talk: Abel-summation, Dirichlet-problem

• 13th International Conference in Approximation Theory, San Antonio, USA, March, 2010.

Talk: Muntz-type theorems ont he half-line

• Constructive Theory of Functions, Sozopol, Bulgaria, June, 2010.

Talk: Near-best approximation by a de la Vallee Poussin-type interpolatory operator

• Institute Peter Vertesi is 70 – Workshop, Budapest, Hungary, August, 2011.

Talk: A contribution to the Grunwald-Marcinkiewicz theorem