## Found 580 Documents (Results 1–100)

100
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### Property $$(UW_\Pi)$$ for functions of operators and compact perturbations. (English)Zbl 07548041

MSC:  47A53 47A10 47A55
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### Quasi-compactness of linear operators on Banach spaces: new properties and application to Markov chains. (English)Zbl 07337266

MSC:  47A05 47B33 47A10
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MSC:  90B22
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### Norm continuity and compactness properties for some partial functional integrodifferential equations in Banach spaces. (English)Zbl 1474.45067

MSC:  45K05 45N05
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### Quaternionic structure and analysis of some Kramers-Fokker-Planck operators. (English)Zbl 1452.35213

MSC:  35Q84 35H20 47F10
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### An existence result for some fractional evolution equation with nonlocal conditions and compact resolvent operator. (English)Zbl 1458.34027

Roy, Priti Kumar (ed.) et al., Mathematical analysis and applications in modeling. Selected papers presented at the international conference, ICMAAM 2018, Kolkata, India, January 9–12, 2018. Singapore: Springer. Springer Proc. Math. Stat. 302, 25-32 (2020).
Reviewer: Syed Abbas (Mandi)
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### The resolvent of the linearized Boltzmann operator with a stationary potential. (English)Zbl 1445.35277

MSC:  35Q20 47A10
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### Courant’s nodal domain theorem for positivity preserving forms. (English)Zbl 1444.47004

MSC:  47A07 31C25 47A10
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### Quasi-Fredholm spectrum and compact perturbations. (English)Zbl 1435.47009

MSC:  47A10 47A55 47B15
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### Schatten-von Neumann characteristic of infinite tridiagonal block operator matrices. (English)Zbl 07549248

MSC:  47A05 47A10
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### On Weyl’s theorem for functions of operators. (English)Zbl 1427.47004

MSC:  47A10 47A53 47A55
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### Introduction to functional analysis. (Einführung in die Funktionalanalysis.) (German)Zbl 1437.46001

Mathematik Kompakt. Cham: Birkhäuser (ISBN 978-3-030-24875-8/pbk; 978-3-030-24876-5/ebook). x, 170 p. (2019).
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### Topological uniform descent and compact perturbations. (English)Zbl 07092238

MSC:  47B20 47A10
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### On absolutely norm attaining operators. (English)Zbl 07069902

MSC:  47A75 47A10
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### Spectrum for compact operators on Banach spaces. (English)Zbl 1414.37025

MSC:  37D99 47L10 47A10
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### Weyl’s theorem for complex symmetric operators. (English)Zbl 1486.47037

MSC:  47B02 47A55 47A10
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### A variational inequality theory for constrained problems in reflexive Banach spaces. (English)Zbl 1454.47093

MSC:  47J20 47H05
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### An operator theory problem book. (English)Zbl 1447.47001

Hackensack, NJ: World Scientific (ISBN 978-981-3236-25-7/hbk; 978-981-3236-27-1/ebook). xvii, 637 p. (2019).
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### An Ostrowski theorem for compact operators. (English)Zbl 07289974

MSC:  47A10 47A12 15A60
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### Stability of the essential spectrum for transport semigroup in growing cell populations. (Chinese. English summary)Zbl 1438.47083

MSC:  47D03 47A10 92C37

### The proof of the SVEP for operator matrices. (Chinese. English summary)Zbl 1413.47023

MSC:  47A20 47A10 47A55

### A characterization of absolutely minimum attaining operators. (English)Zbl 1486.47074

MSC:  47B65 47A10 47B02
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### The Cesàro operator in weighted $$\ell_1$$ spaces. (English)Zbl 06898555

MSC:  47A10 46B45
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### Periodic perturbations of unbounded Jacobi matrices III: the soft edge regime. (English)Zbl 06881220

MSC:  47B25 47B36 42C05
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### Compactness criteria for the resolvent of the Fokker-Planck operator. (English)Zbl 1404.35114

MSC:  35H10 47A10
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MSC:  58J05
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### Commutativity of normal compact operators via projective spectrum. (English)Zbl 1394.47010

MSC:  47A13 47A10
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### The stability of Browder’S theorem for upper triangular operator matrices. (Chinese. English summary)Zbl 1399.47027

MSC:  47A10 47A55

### Weyl’s theorem for functions of operators. (Chinese. English summary)Zbl 1399.47017

MSC:  47A10 47A53 47A55
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### The spectral research of transport operators arising in growing cell populations. (Chinese. English summary)Zbl 1389.47010

MSC:  47A10 47G20 47D06

MSC:  47A10
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MSC:  47A10
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### Variants of Weyl’s theorem for direct sums of closed linear operators. (English)Zbl 06804217

MSC:  47A53 47A10 47A11
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### Optimal feedback control law for some stochastic integrodifferential equations on Hilbert spaces. (English)Zbl 1373.93378

MSC:  93E20 93E03 60H99
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### The perturbation of property $$(\omega)$$ for anti-diagonal operator matrices and its square. (Chinese. English summary)Zbl 1363.47023

MSC:  47A53 47A10 47A55

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### Spectral stability of higher order semi-elliptic operators. (English. Russian original)Zbl 1342.35192

J. Contemp. Math. Anal., Armen. Acad. Sci. 51, No. 1, 1-10 (2016); translation from Izv. Nats. Akad. Nauk Armen., Mat. 51, No. 1, 21-37 (2016).
MSC:  35P15 47A10 47A75
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### Geometric spectral theory for compact operators. (English)Zbl 1337.47007

MSC:  47A13 47A10
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### Quasi-compact perturbations of the Weyl essential spectrum and application to singular transport operators. (English)Zbl 1463.47064

MSC:  47B07 47A10 82D75
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### The perturbation of the single valued extension property for bounded linear operators. (Chinese. English summary)Zbl 1349.47019

MSC:  47A55 47A10 47A53
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### Perturbation of the property$$(\omega)$$ for the square of operators matrices. (Chinese. English summary)Zbl 1349.47018

MSC:  47A55 47A10
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### The $$L^p$$-Poincaré inequality for analytic Ornstein-Uhlenbeck semigroups. (English)Zbl 1341.47057

Arendt, Wolfgang (ed.) et al., Operator semigroups meet complex analysis, harmonic analysis and mathematical physics. Proceedings of the conference, Herrnhut, Germany, June 3–7, 2013. Cham: Birkhäuser/Springer (ISBN 978-3-319-18493-7/hbk; 978-3-319-18494-4/ebook). Operator Theory: Advances and Applications 250, 353-368 (2015).
MSC:  47D07 35R15 35R60
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### The perturbation of Weyl type theorems for upper triangular operator matrices. (Chinese. English summary)Zbl 1340.47026

MSC:  47A53 47A55 47A10
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### Topological uniform descent and the perturbation of Weyl’s theorem. (Chinese. English summary)Zbl 1340.47025

MSC:  47A53 47A10 47A55

### Locally definitizable operators: the local structure of the spectrum. (English)Zbl 1422.47046

Alpay, Daniel (ed.), Operator theory. With 51 figures and 2 tables. In 2 volumes. Springer Reference. Basel: Springer. 241-259 (2015).
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### On existence of the resolvent and discreteness of the spectrum of a class of differential operators of hyperbolic type. (English)Zbl 1341.47059

Mityushev, Vladimir V. (ed.) et al., Current trends in analysis and its applications. Proceedings of the 9th ISAAC congress, Kraków, Poland, August 5–9, 2013. Cham: Birkhäuser/Springer (ISBN 978-3-319-12576-3/pbk; 978-3-319-12577-0/ebook). Trends in Mathematics. Research Perspectives, 85-91 (2015).
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### Existence results for neutral functional integrodifferential equations with infinite delay in Banach spaces. (English)Zbl 1335.34118

MSC:  34K30 45J05 47N20
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### On the structure of absolutely minimum attaining operators. (English)Zbl 1331.47057

MSC:  47B65 47A10 47A65
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### Spectral theory and applications of linear operators and block operator matrices. (English)Zbl 1354.47001

Cham: Springer (ISBN 978-3-319-17565-2/hbk; 978-3-319-17566-9/ebook). xvi, 599 p. (2015).
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### On the essential spectrum of $$\lambda$$-Toeplitz operators over compact abelian groups. (English)Zbl 1320.47030

MSC:  47B35 47A10 43A75
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### $$L^p$$-$$L^q$$ resolvent estimates for elliptic operators on compact manifolds. (Chinese. English summary)Zbl 07449265

MSC:  58J05 58J50
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### Stability of essential spectra of bounded linear operators. (English)Zbl 1341.47015

MSC:  47A55 47A53 47A10
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### The stability of the Weyl type theorems. (Chinese. English summary)Zbl 1340.47029

MSC:  47A55 47A53 47A10

### The stability of property $$(g w)$$ under compact perturbation. (English)Zbl 1322.47005

MSC:  47A10 47A53 47A55
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### Uniform Sobolev resolvent estimates for the Laplace-Beltrami operator on compact manifolds. (English)Zbl 1297.35256

MSC:  35R01 35P05 58J05
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### Resonance chains in open systems, generalized zeta functions and clustering of the length spectrum. (English)Zbl 1295.81077

MSC:  81Q50 81Q05 58J50 81T80 81S22 47A10 35B35
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### Property $$(\omega)$$ and its perturbations. (English)Zbl 06303140

MSC:  47A53 47A10 47A55
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### Polaroid type operators and compact perturbations. (English)Zbl 1335.47008

MSC:  47A55 47A10 47A53
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### Measures of noncompactness and essential pseudospectra on Banach space. (English)Zbl 1321.47084

MSC:  47B40 47A10
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### On the essential spectrum of the sum of self-adjoint operators and the closedness of the sum of operator ranges. (English)Zbl 1310.47003

MSC:  47A10 47B15 46C07
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