Linear Operators and Linear Systems

Articles (21 in this collection)

1. Property \(\mathcal {P}\) and Compact Perturbations

   Authors

   • Ting Ting Zhou
   • Li Qi Xiu

   • Content type: OriginalPaper
   • Published: 31 January 2024

   • Article: 31

2. Existence of Multiple Solution for a Singular p(x)-Laplacian Problem

   Authors

   • A. Ghanmi
   • L. Mbarki
   • Debajyoti Choudhuri

   • Content type: OriginalPaper
   • Published: 18 January 2024

   • Article: 26

3. Intertwining Conditions for Two Isometries on Banach Spaces

   Authors

   • Heybetkulu Mustafayev

   • Content type: OriginalPaper
   • Published: 02 November 2023

   • Article: 131

4. The Boundedness of Forelli–Rudin Type Operators on the Siegel Upper Half Space

   Authors

   • Lifang Zhou
   • Xin Wang
   • Ming-Sheng Liu

   • Content type: OriginalPaper
   • Published: 20 October 2023

   • Article: 127

5. Asymptotic Behaviour of the Non-real Pair-Eigenvalues of a Two Parameter Eigenvalue Problem

   Authors

   • Hasen Mekki Öztürk

   • Content type: OriginalPaper
   • Published: 08 April 2023

   • Article: 45

   

6. Pseudo Numerical Ranges and Spectral Enclosures

   Authors

   • Borbala Gerhat
   • Christiane Tretter

   • Content type: OriginalPaper
   • Open Access
   • Published: 30 June 2022

   • Article: 78

   

7. On an Involution in the Class of Non-negative Hermitian Matrix Measures on a Compact Interval

   Authors

   • Bernd Fritzsche
   • Bernd Kirstein
   • Conrad Mädler

   • Content type: OriginalPaper
   • Open Access
   • Published: 15 April 2022

   • Article: 56

8. Extension of the Bessmertnyĭ Realization Theorem for Rational Functions of Several Complex Variables

   Authors

   • Anthony Stefan
   • Aaron Welters

   • Content type: OriginalPaper
   • Published: 03 October 2021

   • Article: 115

   

9. Continuous Fredholm Theory, Regularities and Semiregularities

   Authors

   • Mohammed Berkani

   • Content type: OriginalPaper
   • Published: 06 September 2021

   • Article: 105

10. Density of Frame Wavelets and Tight Frame Wavelets in Local Fields

    Authors

    • Biswaranjan Behera

    • Content type: OriginalPaper
    • Published: 06 August 2021

    • Article: 102

11. Characterization of Non-Stationary Wavelets and Non-Stationary Multiresolution Analysis Wavelets Related to Walsh Functions

    Authors

    • Abdullah Abdullah

    • Content type: OriginalPaper
    • Published: 08 June 2021

    • Article: 86

12. Spectra of Lower Triangular Infinite Matrices Formed by Oscillatory Sequences

    Authors

    • Sanjay Kumar Mahto
    • P. D. Srivastava

    • Content type: OriginalPaper
    • Published: 28 May 2021

    • Article: 78

    

13. Mirror Operator and Its Application on Chaos

    Authors

    • Lvlin Luo

    • Content type: OriginalPaper
    • Published: 12 April 2021

    • Article: 58

14. Multiple Sampling and Interpolation in Weighted Fock Spaces of Entire Functions

    Authors

    • Luis Alberto Escudero
    • Antti Haimi
    • José Luis Romero

    • Content type: OriginalPaper
    • Open Access
    • Published: 16 February 2021

    • Article: 35

15. A Schur–Nevanlinna Type Algorithm for the Truncated Matricial Hausdorff Moment Problem

    Authors

    • Bernd Fritzsche
    • Bernd Kirstein
    • Conrad Mädler

    • Content type: OriginalPaper
    • Published: 27 January 2021

    • Article: 25

16. Compressed Resolvents, Schur Functions, Nevanlinna Families and Their Transformations

    Authors

    • Yu. M. Arlinskiĭ

    • Content type: OriginalPaper
    • Published: 09 August 2020

    • Article: 63

17. Complex Symmetry of Invertible Composition Operators on Weighted Bergman Spaces

    Authors

    • Osmar R. Severiano

    • Content type: OriginalPaper
    • Published: 23 July 2020

    • Article: 59

18. On a Singular Sylvester Equation with Unbounded Self-Adjoint A and B

    Authors

    • Bogdan D. Djordjević

    • Content type: OriginalPaper
    • Published: 05 May 2020

    • Article: 43

19. On Drazin Spectral Equation for the Operator Products

    Authors

    • Kai Yan
    • Qingping Zeng
    • Yucan Zhu

    • Content type: OriginalPaper
    • Published: 22 January 2020

    • Article: 12

20. A Trace Formula on Invariant Subspaces of Hardy Space Induced by Rotation-Invariant Borel Measure

    Authors

    • Jiaqi Ni

    • Content type: OriginalPaper
    • Published: 03 January 2020

    • Article: 1

21. Passive Discrete-Time Systems with a Pontryagin State Space

    Authors

    • Lassi Lilleberg

    • Content type: OriginalPaper
    • Open Access
    • Published: 04 June 2019

    • Pages: 3767 - 3793