## Found 6,421 Documents (Results 1–100)

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### Weyl’s theorem for functions of operators and stability. (English)Zbl 07594579

MSC:  47A10 47A53
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### Solution of ordered inclusion problem via graph convergence in real ordered Hilbert spaces. (English)Zbl 07589592

MSC:  47H09 49J40
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### Improved resolvent bounds for radial potentials. II. (English)Zbl 07589465

MSC:  35P25 35B45 35J10
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### About a complex operator resolvent. (Russian. English summary)Zbl 07584791

MSC:  47B91 47A10
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### On the spectrum localization of an operator-function arising at studying oscillations of a viscoelastic pipeline with Kelvin-Voigt friction. (English. Russian original)Zbl 07584504

Mosc. Univ. Math. Bull. 77, No. 2, 73-85 (2022); translation from Vestn. Mosk. Univ., Ser. I 77, No. 2, 23-34 (2022).
MSC:  47Axx 34Kxx 74Dxx
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### Continuum limit of the lattice quantum graph Hamiltonian. (English)Zbl 07583944

MSC:  81Q35 35J10 47B39
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### Diverging eigenvalues in domain truncations of Schrödinger operators with complex potentials. (English)Zbl 07583407

MSC:  35J10 47A10 47A58
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MSC:  35J05
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### Spectral mapping theorems. A bluffer’s guide (to appear). 2nd edition. (English)Zbl 07581853

Cham: Springer (ISBN 978-3-031-13916-1/pbk). (2022).

### Characterization of essential spectra involving weakly demicompact operators on Banach spaces. (English)Zbl 07581259

MSC:  47A53 47A10
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### An introduction to spectral theory of bounded linear operators in intuitionistic fuzzy pseudo normed linear space. (English)Zbl 07579586

MSC:  47S40 47A10 47A11
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### Spectrum of differential operators with elliptic adjoint on a scale of localized Sobolev spaces. (English)Zbl 07574279

MSC:  47-XX 46E99 47A10
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### Maps preserving some spectral domains of operator products. (English)Zbl 07569082

MSC:  47B49 47A10 47A25
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### Well-posedness and stability of time-dependent impulsive neutral stochastic partial integrodifferential equations with fractional Brownian motion and Poisson jumps. (English)Zbl 1491.60101

MSC:  60H15 60H20 93B05
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MSC:  47-XX
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### Spectra for Toeplitz operators associated with a constrained subalgebra. (English)Zbl 07557750

MSC:  47B35 47A10 47A75
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### Spectra of weighted composition operators with quadratic symbols. (English)Zbl 07557467

MSC:  47B33 47B35 47A10
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### On the fine spectrum of the operator $$Q (r, s, t, u)$$ over $$\ell_p$$ and $$bv_p$$, $$1 < p < \infty$$. (English)Zbl 07556038

MSC:  47A10 47B37 47B39
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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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### Regularized trace for operators on a separable Banach space. (English)Zbl 07547002

MSC:  47A10 47B38 34L05
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### Integrodifferential equations of Volterra type with nonlocal and impulsive conditions. (English)Zbl 07543124

MSC:  45D05 47N20
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### Spectral and scattering theory for topological crystals perturbed by infinitely many new edges. (English)Zbl 07535851

MSC:  47A10 81Q10
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### On a characterization of Jeribi, Rakočević, Schechter, Schmoeger and Wolf essential spectra of a $$3 \times 3$$ block operator matrices with non diagonal domain and application. (English)Zbl 07533189

MSC:  47A10 47A53 34K08
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### On matching distance between eigenvalues of unbounded operators. (English)Zbl 07532056

MSC:  47A10 47A55 47B10
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### The interior inverse boundary value problem for the impulsive Sturm-Liouville operator with the spectral boundary conditions. (English)Zbl 07527960

MSC:  34B24 47A10
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### On the spectrum of some Bloch-Torrey vector operators. (English)Zbl 1489.35173

MSC:  35P05 35B25 35J15
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### A note on discrete semigroups of bounded linear operators on non-Archimedean Banach spaces. (English)Zbl 07523390

MSC:  47S10 47A10 47D03
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### Boundary value matrix problems and Drazin invertible operators. (English)Zbl 07517855

MSC:  47A10 47B38
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### Invariance of the essential spectra of closed linear operator pencils on a Banach space. (English)Zbl 07517125

MSC:  47A10 47A53 34K08
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### The $$L_p$$-$$L_q$$ decay estimate for the multidimensional compressible flow with free surface in the exterior domain. (English)Zbl 1487.35305

MSC:  35Q30 76N10
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### Strict deformation quantization of abelian lattice gauge fields. (English)Zbl 07514000

MSC:  46L65 81T27 46L60
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### Existence results for fractional integrodifferential equations of Sobolev type with deviating arguments. (English)Zbl 1486.45012

MSC:  45J05 26A33 47N20
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### Correctness of the definition of the Laplace operator with delta-like potentials. (English)Zbl 1491.35141

MSC:  35J05 35P05
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### Pointwise dispersive estimates for Schrödinger operators on product cones. (English)Zbl 1486.35159

MSC:  35J10 35R01 35P05
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### Spectral properties for generalized weakly $$S$$-demicompact operators. (English)Zbl 07491080

MSC:  47A53 47A10
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### Threshold approximations for the resolvent of a polynomial nonnegative operator pencil. (English. Russian original)Zbl 07491001

St. Petersbg. Math. J. 33, No. 2, 355-385 (2022); translation from Algebra Anal. 33, No. 2, 233-274 (2021).
MSC:  47A10 35B27 47A56
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### A new algorithm for finding fixed points of Bregman asymptotically regular quasi-nonexpansive mapping and solutions of equilibrium problems. (English)Zbl 07490766

MSC:  47J25 47H09 47H05
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### The split common null point problem for generalized resolvents and nonexpansive mappings in Banach spaces. (English)Zbl 1487.47085

MSC:  47J05 47H05 47H09
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### Low energy limit for the resolvent of some fibered boundary operators. (English)Zbl 1489.58010

MSC:  58J40 46E35 47A53
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### Gevrey estimates of the resolvent and sub-exponential time-decay for the heat and Schrödinger semigroups. II. (English)Zbl 1485.35142

MSC:  35J10 35P25 47A10
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### G-Riesz operators and their spectral properties. (English)Zbl 07486145

MSC:  47A10 47A55 47A53
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### Dubrovin equation for periodic Dirac operator on the half-line. (English)Zbl 07485306

MSC:  47E05 47A10
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### Spectral properties and time decay of the wave functions of Pauli and Dirac operators in dimension two. (English)Zbl 1491.35376

MSC:  35Q41 35P05 35B40
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### Property $$(R)$$ for functions of operators and its perturbations. (English)Zbl 07458066

MSC:  47A53 47A10 47A55
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### The spectral theorem for normal operators on a Clifford module. (English)Zbl 07452163

MSC:  47A10 47A60
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### A factorization of a quadratic pencils of accretive operators and applications. (English)Zbl 07435780

MSC:  47A10 47A56
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