272 citations · 276 across the 5 of their papers we have counts for
4 papers · 1 filter
Approximation by boolean sums of Jackson operators on the sphere
Yuguang Wang, Feilong Cao
This paper concerns the approximation by the Boolean sums of Jackson operators on the unit sphere of . We prove the following…
The Direct and Converse Inequalities for Jackson-Type Operators on Spherical Cap
Yuguang Wang, Feilong Cao
Approximation on the spherical cap is different from that on the sphere which requires us to construct new operators. This paper discusses the approximation on the spherical cap. T…
The strong converse inequality for de la Vallée Poussin means on the sphere
Ruyue Yang, Feilong Cao, Jingyi Xiong
This paper discusses the approximation by de la Vallée Poussin means on the unit sphere. Especially, the lower bound of approximation is studied. As a main result, the stron…
Approximation by Semigroups of Spherical Operators
Yuguang Wang, Feilong Cao
This paper discusses the approximation by %semigroups of operators of class () on the sphere and focuses on a class of so called exponential-type multiplier operator…