Consistency in invertibility and Fredholmness of operator matrices
Dragana S. Cvetković-Ilić
University of Niš, SerbiaMarko Kostadinov
University of Niš, Serbia
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Abstract
In this paper we completely answer the following question: for given , does there exist operators and such that the operator
is consistent in invertibility and Fredholmness?
Cite this article
Dragana S. Cvetković-Ilić, Marko Kostadinov, Consistency in invertibility and Fredholmness of operator matrices. J. Spectr. Theory 9 (2019), no. 2, pp. 635–649
DOI 10.4171/JST/258