Journal of Approximation Theory, Volume 125

Volume 125, Number 1, November 2003

• GuanTie Deng:
  Incompleteness and closure of a linear span of exponential system in a weighted Banach space. 1-9
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• Chong Li, Hong-Kun Xu:
  Porosity of mutually nearest and mutually furthest points in Banach spaces. 10-25
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• Alicia Cachafeiro, Francisco Marcellán, Juan J. Moreno-Balcázar:
  On asymptotic properties of Freud-Sobolev orthogonal polynomials. 26-41
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• Lutz Klotz, Andreas Lasarow:
  Extremal problems for matrix-valued polynomials on the unit circle and applications to multivariate stationary sequences. 42-62
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• Margareta Heilmann:
  Eigenfunctions of Durrmeyer-type modifications of Meyer-König and Zeller operators. 63-73
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• Aleksandra Cizmesija, Josip Pecaric, Lars-Erik Persson:
  On strengthened Hardy and Pólya-Knopp's inequalities. 74-84
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• Eduard Belinsky, Feng Dai, Zeev Ditzian:
  Multivariate approximating averages. 85-105
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• Doron S. Lubinsky:
  Best approximation and interpolation of (1+(ax)²)^-1 and its transforms. 106-115
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• Daniyal M. Israfilov:
  Uniform convergence of the Bieberbach polynomials in closed smooth domains of bounded boundary rotation. 116-130
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• M. Bello Hernández, J. Mínguez Ceniceros:
  Strong asymptotic behavior for extremal polynomials with respect to varying measures on the unit circle. 131-144
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Volume 125, Number 2, December 2003

• Geno Nikolov:
  The Christoffel function for the Hermite weight is bell-shaped. 145-150
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• Yun-Zhang Li:
  On the holes of a class of bidimensional nonseparable wavelets. 151-168
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• Leonel Robert, Luis Santiago:
  On a class of Sobolev scalar products in the polynomials. 169-189
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• Peter B. Borwein, Tamás Erdélyi:
  Lower bounds for the merit factors of trigonometric polynomials from Littlewood classes. 190-197
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• Maarten Vanlessen:
  Strong asymptotics of the recurrence coefficients of orthogonal polynomials associated to the generalized Jacobi weight. 198-237
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• Herbert Stahl:
  Quadratic Hermite-Padé polynomials associated with the exponential function. 238-294
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• Ryszard Szwarc:
  Sharp estimates for Jacobi matrices and chain sequences, II. 295-302
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• Josef Obermaier:
  A continuous function space with a Faber basis. 303-312
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