Modulus of smoothness and theorems concerning approximation on compact groups
We consider the generalized shift operator defined by (Shuf)(g)=∫Gf(tut−1g)dt on a compact group G, and by using this operator, we define spherical modulus of smoothness. So, we prove Stechkin and Jackson-type theorems.
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
Hindawi Limited
2003-01-01
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Series: | International Journal of Mathematics and Mathematical Sciences |
Online Access: | http://dx.doi.org/10.1155/S0161171203204269 |