142 citations to 10.1002/mana.19941670102 (Crossref Cited-By Service)
  1. Volker Hardt, Alexei Konstantinov, Reinhard Mennicken, “On the Spectrum of the Product of Closed Operators”, Math. Nachr., 215, № 1, 2000, 91  crossref
  2. Boulbeba Abdelmoumen, Alaeddine Damergi, Yousra Krichene, “On a Riesz basis of diagonally generalized subordinate operator matrices and application to a Gribov operator matrix in Bargmann space”, Filomat, 37, № 14, 2023, 4481  crossref
  3. Aref Jeribi, Spectral Theory and Applications of Linear Operators and Block Operator Matrices, 2015, 375  crossref
  4. D. A. Zakora, “Spectral Properties of the Operator in the Problem of Oscillations in a Mixture of Viscous Compressible Fluids”, Diff Equat, 59, № 4, 2023, 473  crossref
  5. B. M. Brown, G. Grubb, I. G. Wood, “M ‐functions for closed extensions of adjoint pairs of operators with applications to elliptic boundary problems”, Mathematische Nachrichten, 282, № 3, 2009, 314  crossref
  6. Reinhard Mennicken, Manfred Möller, 192, Non-Self-Adjoint Boundary Eigenvalue Problems, 2003, 101  crossref
  7. Aymen Ammar, Toka Diagana, Aref Jeribi, “Perturbations of Fredholm linear relations in Banach spaces with application to <mml:math altimg="si1.gif" display="inline" overflow="scroll" xmlns:xocs="http://www.elsevier.com/xml/xocs/dtd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.elsevier.com/xml/ja/dtd" xmlns:ja="http://www.elsevier.com/xml/ja/dtd" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:tb="http://www.elsevier.com/xml/common/table/dtd" xmlns:sb="http://www.elsevier.com/xml/common/struct-bib/dtd" xmlns:ce="http://www.elsevier.com/xml/common/dtd" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:cals="http://www.elsevier.com/xml/common/cals/dtd" xmlns:sa="http://www.elsevier.com/xml/common/struct-aff/dtd"><mml:mn>3</mml:mn><mml:mo>×</mml:mo><mml:mn>3</mml:mn></mml:math>-block matrices of linear relations”, Arab Journal of Mathematical Sciences, 22, № 1, 2016, 59  crossref
  8. J. Lutgen, “On essential spectra of operator-matrices and their Feshbach maps”, Journal of Mathematical Analysis and Applications, 289, № 2, 2004, 419  crossref
  9. Marco Marletta, Christiane Tretter, “Essential spectra of coupled systems of differential equations and applications in hydrodynamics”, Journal of Differential Equations, 243, № 1, 2007, 36  crossref
  10. Nedra Moalla, “A Characterization of Schechter's Essential Spectrum by Mean of Measure of Non-Strict-Singularity and Application to Matrix Operator”, Acta Mathematica Scientia, 32, № 6, 2012, 2329  crossref
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