Guiqiao Xu

18 papers Journal 18
YearRankTypeTitle / Venue / Authors
2025 J jnl
Gaussian quadrature formulae are strongly asymptotically optimal for a class of infinitely differentiable functions.
J. Approx. Theory
Guiqiao Xu
2024 J jnl
A kind of sharp Wirtinger inequalities.
Int. J. Wavelets Multiresolution Inf. Process.
Guiqiao Xu, Yongping Liu, Dandan Guo
2023 J jnl
Average case tractability of non-homogeneous tensor product problems with the absolute error criterion.
J. Complex.
Guiqiao Xu
2020 J jnl
EC-tractability of Lp-approximation in Korobov spaces with exponential weights.
J. Approx. Theory
Guiqiao Xu
2020 J jnl
On the power of standard information for L2-approximation in the average case setting.
J. Complex.
Guiqiao Xu
2020 J jnl
Simultaneous approximation of Birkhoff interpolation and the associated sharp inequalities.
Int. J. Wavelets Multiresolution Inf. Process.
Zehong Liu, Wanting Lu, Guiqiao Xu
2019 J jnl
EC-(s, t)-weak tractability of multivariate linear problems in the average case setting.
J. Complex.
Anargyros Papageorgiou, Iasonas Petras, Guiqiao Xu, Dong Yanqi
2017 J jnl
Average case tractability of a multivariate approximation problem.
J. Complex.
Yongping Liu, Guiqiao Xu
2016 J jnl
A note on tractability of multivariate analytic problems.
J. Complex.
Yongping Liu, Guiqiao Xu
2016 J jnl
The best constants in the Wirtinger inequality.
Int. J. Wavelets Multiresolution Inf. Process.
Yongping Liu, Wenyan Wu, Guiqiao Xu
2015 J jnl
Exponential convergence-tractability of general linear problems in the average case setting.
J. Complex.
Guiqiao Xu
2015 J jnl
On weak tractability of the Smolyak algorithm for approximation problems.
J. Approx. Theory
Guiqiao Xu
2014 J jnl
Average errors for Kantorovitch operators on r-fold integrated Wiener space.
Int. J. Wavelets Multiresolution Inf. Process.
Guiqiao Xu, Xingrui Gao
2014 J jnl
Quasi-polynomial tractability of linear problems in the average case setting.
J. Complex.
Guiqiao Xu
2014 J jnl
Tractability of linear problems defined over Hilbert spaces.
J. Complex.
Guiqiao Xu
2009 J jnl
The Simultaneous Approximation of Quasi-Hermite Interpolation on the Weighted Mean Norm.
Int. J. Wavelets Multiresolution Inf. Process.
Guiqiao Xu, Ran Cui, Xin Wang
2009 J jnl
The relative n-widths of Sobolev classes with restrictions.
J. Approx. Theory
Guiqiao Xu
2002 J jnl
The Infinite-Dimensional Widths and Optimal Recovery of Generalized Besov Classes.
J. Complex.
Yongping Liu, Guiqiao Xu