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On a class of quasi-Fredholm operators

✍ Scribed by M. Berkani


Publisher
SP Birkhäuser Verlag Basel
Year
1999
Tongue
English
Weight
308 KB
Volume
34
Category
Article
ISSN
0378-620X

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A note on Fredholm operators on
✍ Ivana Djolović; Eberhard Malkowsky 📂 Article 📅 2009 🏛 Elsevier Science 🌐 English ⚖ 431 KB

We characterize the class ((c 0 ) T , (c 0 ) T ) where T = (t nk ) ∞ n,k=0 and T = (t nk ) ∞ n,k=0 are triangles. Using the Hausdorff measure of noncompactness, we define the class of compact operators given by matrices in ((c 0 ) T , (c 0 ) T ). Furthermore we give a sufficient condition for a matr