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Approximation numbers of linear operators and nuclear spaces

✍ Scribed by Chung-Wei Ha


Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
857 KB
Volume
46
Category
Article
ISSN
0022-247X

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Approximation by rational operators in L
✍ Dansheng Yu; Songping Zhou πŸ“‚ Article πŸ“… 2009 πŸ› John Wiley and Sons 🌐 English βš– 193 KB

## Abstract The present paper introduces a kind of Kantorovich type Shepard operators. Complete results including direct and converse results, equivalence results are established. As Della Vecchia and Mastroianni ([4], [7]) did, our results involve a weighted modulus of smoothness related to step‐f