Journal of Approximation Theory, Volume 138

Volume 138, Number 1, January 2006

• Paul Butzer, Lutz Volkmann:
  Otto Blumenthal (1876-1944) in retrospect. 1-36
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• Sofiya Ostrovska:
  On the improvement of analytic properties under the limit q-Bernstein operator. 37-53
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• David A. Cardon, Sharleen A. Roberts:
  An equivalence for the Riemann Hypothesis in terms of orthogonal polynomials. 54-64
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• F. Albiac, Przemyslaw Wojtaszczyk:
  Characterization of 1-greedy bases. 65-86
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• Lozko Milev, Nikola Naidenov:
  Exact Markov inequalities for the Hermite and Laguerre weights. 87-96
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• Jean-Marie Aubry:
  On the rate of pointwise divergence of Fourier and wavelet series in L^p. 97-111
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• Jorge Bustamante, Cuauhtemoc Castañeda Roldan:
  Direct and inverse results in Hölder norms. 112-123
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• Jeremy Levesley, X. Sun:
  Corrigendum to and two open questions arising from the article "Approximation in rough native spaces by shifts of smooth kernels on spheres": [J. Approx. Theory 133 (2005) 269-283]. 124-127
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Volume 138, Number 2, February 2006

• Stanislaw Lewanowicz, Pawel Wozny:
  Dual generalized Bernstein basis. 129-150
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• André Boivin, Paul M. Gauthier, Gerald Schmieder:
  Simultaneous approximation on two subsets of an open Riemann surface. 151-167
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• Henrik Petersson:
  Hypercyclic sequences of PDE-preserving operators. 168-183
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• B. L. Chalmers, D. Mupasiri, M. P. Prophet:
  A characterization and equations for minimal shape-preserving projections. 184-196
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• Ming-Yi Lee:
  Convolution operators on the weighted Herz-type Hardy spaces. 197-210
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• Bin Dong, Zuowei Shen:
  Construction of biorthogonal wavelets from pseudo-splines. 211-231
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• Yuan Xu:
  A family of Sobolev orthogonal polynomials on the unit ball. 232-241
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• Ilham A. Aliev, A. D. Gadjiev, A. Aral:
  On approximation properties of a family of linear operators at critical value of parameter. 242-253
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