Consistency in invertibility and Fredholmness of operator matrices

  • Dragana S. Cvetković-Ilić

    University of Niš, Serbia
  • Marko Kostadinov

    University of Niš, Serbia
Consistency in invertibility and Fredholmness of operator matrices cover
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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