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essential spectra
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TOTAL DOCUMENTS
182
(FIVE YEARS 30)
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Latest Documents
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A Characterization of the Essential Spectra of $$2\times 2$$ Block Matrices of Linear Relations
Bulletin of the Iranian Mathematical Society
◽
10.1007/s41980-021-00653-0
◽
2021
◽
Author(s):
Aymen Ammar
◽
Aicha Ezzadam
◽
Aref Jeribi
Keyword(s):
Essential Spectra
◽
Block Matrices
◽
Linear Relations
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Spectrum of weighted composition operators part VI: essential spectra of d-endomorphisms of Banach C(K)-modules
Positivity
◽
10.1007/s11117-021-00847-0
◽
2021
◽
Author(s):
Arkady Kitover
◽
Mehmet Orhon
Keyword(s):
Composition Operators
◽
Weighted Composition Operators
◽
Essential Spectra
◽
Weighted Composition
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Bifurcations of Essential Spectra Generated by a Small Non-Hermitian Hole. I. Meromorphic Continuations
Russian Journal of Mathematical Physics
◽
10.1134/s1061920821040026
◽
2021
◽
Vol 28
(4)
◽
pp. 416-433
Author(s):
D. I. Borisov
◽
D. A. Zezyulin
Keyword(s):
Essential Spectra
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Spectrum of weighted composition operators, Part VII: Essential spectra of weighted composition operators on C(K). The case of non-invertible homeomorphisms
Indagationes Mathematicae
◽
10.1016/j.indag.2021.10.001
◽
2021
◽
Author(s):
Arkady Kitover
◽
Mehmet Orhon
Keyword(s):
Composition Operators
◽
Weighted Composition Operators
◽
Essential Spectra
◽
Weighted Composition
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Essential spectra of weighted composition operators induced by elliptic automorphisms
Mathematische Zeitschrift
◽
10.1007/s00209-021-02880-x
◽
2021
◽
Author(s):
Xing-Tang Dong
◽
Yong-Xin Gao
◽
Ze-Hua Zhou
Keyword(s):
Composition Operators
◽
Weighted Composition Operators
◽
Essential Spectra
◽
Weighted Composition
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Essential Spectra and Essential Pseudospectra of a Linear Relations
Spectral Theory of Multivalued Linear Operators
◽
10.1201/9781003131120-4
◽
2021
◽
pp. 191-278
Author(s):
Aymen Ammar
◽
Aref Jeribi
Keyword(s):
Essential Spectra
◽
Linear Relations
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Characterization of Essential Spectra Involving Weakly Demicompact Operators on Banach Spaces
Bulletin of the Iranian Mathematical Society
◽
10.1007/s41980-021-00598-4
◽
2021
◽
Author(s):
Aref Jeribi
◽
Bilel Krichen
◽
Makrem Salhi
Keyword(s):
Banach Spaces
◽
Essential Spectra
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Essential spectra of singular Hamiltonian differential operators of arbitrary order under a class of perturbations
Studies in Applied Mathematics
◽
10.1111/sapm.12388
◽
2021
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Author(s):
Chen Yang
◽
Huaqing Sun
Keyword(s):
Differential Operators
◽
Arbitrary Order
◽
Essential Spectra
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Left–right essential spectra of one-sided operator matrix and application
Operator Theory
◽
10.1515/9783110598193-012
◽
2021
◽
pp. 157-176
Author(s):
Sana Bouzidi
◽
Ines Walha
Keyword(s):
Operator Matrix
◽
Essential Spectra
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Pathology of essential spectra of elliptic problems in periodic family of beads threaded by a spoke thinning at infinity
Rendiconti Lincei - Matematica e Applicazioni
◽
10.4171/rlm/921
◽
2021
◽
Vol 31
(4)
◽
pp. 939-969
Author(s):
Sergei Nazarov
◽
Jari Taskinen
Keyword(s):
Elliptic Problems
◽
Essential Spectra
◽
Periodic Family
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Spectrum of weighted composition operators part VI: essential spectra of d-endomorphisms of Banach C(K)-modules
