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

Volume 125, Number 2, December 2003

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