Approximation by compact operators between C(X) spaces
β Scribed by David Yost
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 472 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0021-9045
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## 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 stepβf
We investigate ordered pairs of nudear K ~T H E spaces between which every linear continuous map is compact. We give some sufficient conditions for such pairs in terms of non-existence of corninon complemented subspaces. I n particular, in the case when one of the spaces is a weakly stable power ser