Journal of Approximation Theory, Volume 157

Volume 157, Number 1, March 2009

Karl Deckers, Adhemar Bultheel:
Orthogonal rational functions and rational modifications of a measure on the unit circle. 1-18
Guiqiao Xu:
The relative n-widths of Sobolev classes with restrictions. 19-31
María Álvarez de Morales, Lidia Fernández, Teresa E. Pérez, Miguel A. Piñar:
A matrix Rodrigues formula for classical orthogonal polynomials in two variables. 32-52
Peter Alfeld, Tatyana Sorokina:
Two tetrahedral C¹ cubic macro elements. 53-69
Maxim S. Derevyagin, Alexei S. Zhedanov:
An operator approach to multipoint Padé approximations. 70-88

Xiquan Shi, Ben Kamau, Fengshan Liu, Baocai Yin:
The generic dimensions of the space of smooth splines of degree 7 on tetrahedral partitions. 90-112
Albrecht Böttcher, Stefan Kunis, Daniel Potts:
Probabilistic spherical Marcinkiewicz-Zygmund inequalities. 113-126
Oleksandr Maizlish:
Shape preserving approximation on the real line with exponential weights. 127-133
Luis Bernal-González:
Interpolation by hypercyclic functions for differential operators. 134-143
Yury Kreimer, Yoram Last, Barry Simon:
Monotone Jacobi parameters and non-Szego weights. 144-171
Jean-Pierre Gabardo, Yun-Zhang Li:
Density results for Gabor systems associated with periodic subsets of the real line. 172-192