## Found 4,802 Documents (Results 1–100)

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### Topological invariants for interface modes. (English)Zbl 07569387

MSC:  82Dxx 82Bxx 35Qxx
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### Maps preserving some spectral domains of operator products. (English)Zbl 07569082

MSC:  47B49 47A10 47A25
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MSC:  47-XX
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### The singular Fredholm integral operators and related integral equations of Chandrasekhar type. (English)Zbl 07565317

Milman, Mario (ed.) et al., Geometric potential analysis. Selected papers based on the presentations at the special session, virtual, July 15–16 and 19, 2021. Berlin: De Gruyter. Adv. Anal. Geom. 6, 89-104 (2022).
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### Jacobson’s lemma for the generalized $$n$$-strong Drazin inverses in rings and in operator algebras. (English)Zbl 07560129

MSC:  16-XX 46Lxx 47A53
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### Closed range weighted composition operators and dynamical sampling. (English)Zbl 07559899

MSC:  47Bxx 42Cxx 30-XX
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### An elliptic equation of finite index in a domain. (English)Zbl 07557830

MSC:  35F20 35J60 35J46
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### The $$\text{KO}$$-valued spectral flow for skew-adjoint Fredholm operators. (English)Zbl 07557659

MSC:  19K56 46L80 81T75
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### Von Neumann’s inequality for row contractive matrix tuples. (English)Zbl 07555188

MSC:  47A13 46E22 47L55
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### On the invertibility conditions of finite-difference operators. (English. Russian original)Zbl 07552492

J. Math. Sci., New York 263, No. 5, 691-697 (2022); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 171, 94-101 (2019).
MSC:  39A70 47B39
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### Solution of the mixed problem for a third-order partial differential equation. (English. Russian original)Zbl 07550607

Math. Notes 111, No. 6, 932-939 (2022); translation from Mat. Zametki 111, No. 6, 895-903 (2022).
MSC:  35-XX
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### $$C^*$$-algebras of transmission problems and elliptic boundary value problems with shift operators. (English. Russian original)Zbl 07550584

Math. Notes 111, No. 5, 701-721 (2022); translation from Mat. Zametki 111, No. 5, 692-716 (2022).
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### Completion problems on operator matrices. (English)Zbl 07550580

Mathematical Surveys and Monographs 267. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-6987-0/pbk; 978-1-4704-7113-2/ebook). xiii, 170 p. (2022).

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

MSC:  47A53 47A10 47A55
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### $$A$$-isometries and Hilbert-$$A$$-modules over product domains. (English)Zbl 07547443

MSC:  47A13 47B20 46H25
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### Solvability in the sense of sequences for some non Fredholm operators with drift and superdiffusion. (English)Zbl 07544317

MSC:  35J10 35P10 35A01
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### On certain operator families. (English. Russian original)Zbl 07538690

J. Math. Sci., New York 262, No. 6, 790-796 (2022); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 168, 26-32 (2019).
MSC:  35S15 47A53 47B37
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### On a boundary problem for a fourth-order elliptic equation on a plane. (English. Russian original)Zbl 07538081

Comput. Math. Math. Phys. 62, No. 4, 599-607 (2022); translation from Zh. Vychisl. Mat. Mat. Fiz. 62, No. 4, 616-624 (2022).
MSC:  35J35 35J67 47A53
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### Wold decomposition on odometer semigroups. (English)Zbl 07535681

MSC:  47A13 47A45 47D03
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### On some essential spectra of off-diagonal block operator matrix with application. (English)Zbl 07535194

MSC:  47A08 47A53
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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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### Existence of solutions for a nonlocal reaction-diffusion equation in biomedical applications. (English)Zbl 07533133

MSC:  35J05 35J91 47A53
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### On backward Aluthge iterates of complex symmetric operators. (English)Zbl 07531856

MSC:  47A05 47A11 47A53
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### Von Neumann’s inequality for the Hartogs triangle. (English)Zbl 07530331

MSC:  47A13 32A10
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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 condition $$\varepsilon$$-pseudospectra on non-Archimedean Banach space. (English)Zbl 07510855

MSC:  47S10 47A53 46S10
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### Zeta and Fredholm determinants of self-adjoint operators. (English)Zbl 1486.58020

MSC:  58J52 47B10
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### Fatou’s theorem for non-commutative measures. (English)Zbl 07507743

MSC:  47A13 46L51 47Bxx
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### FE-holomorphic operator function method for nonlinear plate vibrations with elastically added masses. (English)Zbl 07503424

MSC:  74S05 74H45 74K20
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### A method for studying integral equations by using a covering set of the Nemytskii operator in spaces of measurable functions. (English. Russian original)Zbl 07495303

Differ. Equ. 58, No. 1, 92-103 (2022); translation from Differ. Uravn. 58, No. 1, 93-104 (2022).
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### Spectral properties for generalized weakly $$S$$-demicompact operators. (English)Zbl 07491080

MSC:  47A53 47A10
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### Low energy limit for the resolvent of some fibered boundary operators. (English)Zbl 07488552

MSC:  58J40 46E35 47A53
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### G-Riesz operators and their spectral properties. (English)Zbl 07486145

MSC:  47A10 47A55 47A53
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MSC:  47A06
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### Positive eigenfunctions of a class of fractional Schrödinger operator with a potential well. (English)Zbl 07478597

MSC:  35J10 35Q40 35J50

### A new method using $$C^0$$IPG for the biharmonic eigenvalue problem. (English)Zbl 07477388

MSC:  65N25 65N30 47B07
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MSC:  47-XX
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MSC:  47-XX
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### On the generalized Drazin-Riesz inverse for closed linear operators. (English)Zbl 07465522

MSC:  47A10 47A53 47B06
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### Property $$(R)$$ for functions of operators and its perturbations. (English)Zbl 07458066

MSC:  47A53 47A10 47A55
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### On restricted diagonalization. (English)Zbl 07457103

MSC:  22E65 47B10 47A53
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### Factorable weak operator-valued frames. (English)Zbl 07450623

MSC:  42C15 47A13
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### A reliable treatment to solve nonlinear Fredholm integral equations with non-separable kernel. (English)Zbl 1480.65376

MSC:  65R20 45B05 45G10
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### Specht’s invariant and localization of operator tuples. (English)Zbl 07432152

MSC:  47B13 47A13
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MSC:  34A12
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### Additive mappings preserving Fredholm operators with fixed nullity or defect. (English)Zbl 07559797

MSC:  15A86 47B49 47A53
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### Factorization of ordinary and hyperbolic integro-differential equations with integral boundary conditions in a Banach space. (English)Zbl 07557333

MSC:  35Lxx 65Mxx 35Axx
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### Spherical symmetry of some unitary invariants for commuting tuples. (English)Zbl 07515571

MSC:  47A13 47B20
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### Generalized solutions of differential equations with the derivatives of functionals in Banach spaces. (English)Zbl 07503344

MSC:  34G10 34A12
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### Weyl type theorems for algebriacally class $$p$$-$$wA(s,t)$$ operators. (English)Zbl 07490902

MSC:  47A10 47A53 47B20
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### Chebyshev spectral projection methods for two-dimensional Fredholm integral equations of second kind. (English)Zbl 1486.65298

MSC:  65R20 45B05 65N35
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