Journal of Approximation Theory, Volume 124

Volume 124, Number 1, September 2003

• Péter Vértesi:
  In Memoriam Lev Brutman (1939-2001). 1-6
  
• Félix Martínez-Giménez, Alfredo Peris:
  Universality and chaos for tensor products of operators. 7-24
  
• György Gát:
  Cesàro means of integrable functions with respect to unbounded Vilenkin systems. 25-43
  
• Bin Han:
  Vector cascade algorithms and refinable function vectors in Sobolev spaces. 44-88
  
• Mikhail Ganichev, Nigel J. Kalton:
  Convergence of the weak dual greedy algorithm in Lp-spaces. 89-95
  
• Ushangi Goginava:
  Uniform convergence of Cesàro means of negative order of double Walsh-Fourier series. 96-108
  
• Josep Rubió Massegu, José Luis Díaz-Barrero, Pere Rubió:
  On the solvability of the Birkhoff interpolation problem. 109-114
  
• Carl de Boor, Allan Pinkus:
  The B-spline recurrence relations of Chakalov and of Popoviciu. 115-123
  
• Michael Cwikel:
  The K-divisibility constant for couples of Banach lattices. 124-136
  
• Carl de Boor:
  Erratum to "A divided difference expansion of a divided difference" [J. Approx. Theory 122 (2003) 10-12]. 137
  

Volume 124, Number 2, October 2003

• Tapani Matala-aho:
  On the values of continued fractions: q-series. 139-153
  
• Masahiko Ito:
  Convergence and asymptotic behavior of Jackson integrals associated with irreducible reduced root systems. 154-180
  
• Peter Wingren:
  Sequence spaces of spline functions on subsets and l[infin]-spaces. 181-193
  
• Lev M. Bregman, Yair Censor, Simeon Reich, Yael Zepkowitz-Malachi:
  Finding the projection of a point onto the intersection of convex sets via projections onto half-spaces. 194-218
  
• Shunsheng Guo, Qiulan Qi:
  Strong converse inequalities for Baskakov operators. 219-231
  
• S. P. Sidorov:
  Approximation of the rth differential operator by means of linear shape preserving operators of finite rank. 232-241
  
• Xuli Han:
  Multi-node higher order expansions of a function. 242-253
  
• Amílcar José Pinto Lopes Branquinho, Jorge Bustamante, Ana Pilar Foulquié Moreno, Guillermo López Lagomasino:
  Normal indices in Nikishin systems. 254-262
  
• Dolores Barrios, Guillermo López Lagomasino, Edward B. Saff:
  Determining radii of meromorphy via orthogonal polynomials on the unit circle. 263-281