## Found 1,635 Documents (Results 1–100)

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### On exponential factorizations of matrices over Banach algebras. (English)Zbl 07459399

MSC:  47A68 15A54
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### Ideals of hypercyclic operators that factor through $$\ell^p$$. (English)Zbl 07453365

MSC:  47A16 47B10 47A68
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### Multi-block generalized Adams-type integration methods for differential algebraic equations. (English)Zbl 07489976

MSC:  65L05 65L06
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### Solvability of the mixed type interaction problem of acoustic waves and electro-magneto-elastic structures. (English. Georgian summary)Zbl 07487940

MSC:  35J47 35A01 35A02
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MSC:  47A68
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### A simple Wiener-Hopf factorization approach for pricing double-barrier options. (English)Zbl 1479.91405

Karapetyants, Alexey N. (ed.) et al., Operator theory and harmonic analysis. OTHA 2020, Part II – probability-analytical models, methods and applications. Based on the international conference on modern methods, problems and applications of operator theory and harmonic analysis. Cham: Springer. Springer Proc. Math. Stat. 358, 273-291 (2021).
MSC:  91G20 60G51 44A10
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### Fluctuation theory for one-sided Lévy processes with a matrix-exponential time horizon. (English)Zbl 1479.60094

MSC:  60G51 60G52
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### Stability of factorization factors of the canonical factorization of Wiener-Hopf matrix functions. (Russian. English summary)Zbl 07405421

MSC:  47A68 47A55 15A23
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### Inner outer factorization of wide rational matrix valued functions on the half plane. (English)Zbl 07393031

Bastos, M. Amélia (ed.) et al., Operator theory, functional analysis and applications. Proceedings of the 30th international workshop on operator theory and its applications, IWOTA 2019, Lisbon, Portugal, July 22–26, 2019. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 282, 219-233 (2021).
MSC:  47B35 47A68 30J99
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### Operator factorization and solution of second-order nonlinear difference equations with variable coefficients and multipoint constraints. (English)Zbl 1473.39022

Rassias, Themistocles M. (ed.) et al., Nonlinear analysis and global optimization. Cham: Springer. Springer Optim. Appl. 167, 427-443 (2021).
MSC:  39A27 39A70 47A68
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### Factorisation of orthogonal projectors. (English)Zbl 07387054

MSC:  47A68 47A46
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### On the Volterra factorization of the Wiener-Hopf integral operator. (English. Russian original)Zbl 1475.45004

Math. Notes 110, No. 2, 161-166 (2021); translation from Mat. Zametki 110, No. 2, 163-169 (2021).
MSC:  45E10 45P05 47A68
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### On a Fejér-Riesz factorization of generalized trigonometric polynomials. (English)Zbl 07379488

MSC:  42C05 44A60 47A68
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### A Wiener-Hopf factorization related potential measure for spectrally negative Lévy process. (English)Zbl 1469.60144

MSC:  60G51 31C45 47A68
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### Rate of convergence in the strong law of large numbers for Markov random walks. (English)Zbl 07377823

MSC:  65F05 60K15
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### On noncommutative operator graphs generated by resolutions of identity. (English. Russian original)Zbl 1468.81036

Proc. Steklov Inst. Math. 313, 8-16 (2021); translation from Tr. Mat. Inst. Steklova 313, 14-22 (2021).
MSC:  81P73 05C62 47A68
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### Kernels of unbounded Toeplitz operators and factorization of symbols. (English)Zbl 07362276

MSC:  45E10 47B35 47A68
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### Inhomogeneous vector Riemann boundary value problem and convolutions equation on a finite interval. (English. Russian original)Zbl 1468.45003

Russ. Math. 65, No. 3, 12-24 (2021); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2021, No. 3, 15-28 (2021).
MSC:  45E10 47A68 35Q15
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### A Toeplitz-like operator with rational matrix symbol having poles on the unit circle: Fredholm properties. (English)Zbl 07300016

MSC:  47B35 47A53 47A68
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### Strongly irreducible factorization of quaternionic operators and Riesz decomposition theorem. (English)Zbl 07296628

MSC:  47A68 47A15 47B99
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### Factorizing Lamé operator. (English)Zbl 07479639

MSC:  47A68 34A05
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### Multi-block boundary value methods for ordinary differential and differential algebraic equations. (English)Zbl 07435305

MSC:  65-XX 34A09
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### On explicit Wiener-Hopf factorization of $$2 \times 2$$ matrices in a vicinity of a given matrix. (English)Zbl 1472.15020

MSC:  15A23 65F99
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### On effective criterion of stability of partial indices for matrix polynomials. (English)Zbl 1472.15028

MSC:  15A54 30E25
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### Wiener-Hopf factorization for time-inhomogeneous Markov chains and its application. (English)Zbl 1470.60214

MSC:  60J27 60J28 60K30
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### Structural pricing of CoCos and deposit insurance with regime switching and jumps. (English)Zbl 1467.91200

MSC:  91G40 91G20 60J74
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### On the relationship between the factorization problem in the Wiener algebra and the truncated Wiener-Hopf equation. (English. Russian original)Zbl 1475.45007

Russ. Math. 64, No. 12, 20-28 (2020); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2020, No. 12, 22-31 (2020).
MSC:  45E10 47B35 47A68
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### Polaroid operators and Weyl type theorems. (English)Zbl 1483.47040

MSC:  47B20 47A10 47A68
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MSC:  91Gxx
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### Certain cases of elastic equilibrium of a composed wedge with an interface crack. (English)Zbl 1482.74024

MSC:  74A50 74R10 45E10
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### A temporal factorization at the maximum for certain positive self-similar Markov processes. (English)Zbl 1457.60058

MSC:  60G18 60G51 60G44
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### Universal decomposition equalities for operator matrices in a Hilbert space. (English)Zbl 07262167

MSC:  47A05 47A08 47A68
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MSC:  47A68
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### Strategically reproducible bases and the factorization property. (English)Zbl 1452.46009

MSC:  46B15 46B25 47A68
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### A note on weak factorization of a Meyer-type Hardy space via a Cauchy integral operator. (English)Zbl 1443.42012

MSC:  42B35 42B25 47B35
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### Pricing and hedging defaultable participating contracts with regime switching and jump risk. (English)Zbl 1444.91192

MSC:  91G05 91G40 60J74
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### Numerical factorization of a matrix-function with exponential factors in an anti-plane problem for a crack with process zone. (English)Zbl 1462.74177

MSC:  74S99 65F99 74R10
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### From Sommerfeld diffraction problems to operator factorisation. (English)Zbl 1463.47058

MSC:  47A68 47B35 47-02
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### Onefold and twofold Ellis-Gohberg inverse problems for scalar Wiener class functions. (English)Zbl 1445.47011

Buskes, Gerard (ed.) et al., Positivity and noncommutative analysis. Festschrift in honour of Ben de Pagter on the occasion of his 65th birthday. Based on the workshop “Positivity and Noncommutative Analysis”, Delft, The Netherlands, September 26–28, 2018. Cham: Birkhäuser. Trends Math., 257-267 (2019).
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### A Wiener-Hopf integral equation with a nonsymmetric kernel in the supercritical case. (English. Russian original)Zbl 1448.45001

J. Contemp. Math. Anal., Armen. Acad. Sci. 54, No. 5, 253-262 (2019); translation from Izv. Nats. Akad. Nauk Armen., Mat. 2019, No. 5, 11-26 (2019).
MSC:  45E10 45B05
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### Orthotropic strip with central semi-infinite crack under arbitrary loads applied far apart from the crack tip. (Russian. English summary)Zbl 1449.74178

MSC:  74R10 47A68
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### Homogeneous Wiener-Hopf double integral equation with symmetric kernel in the conservative case. (English. Russian original)Zbl 1439.45003

Math. Notes 106, No. 1, 3-10 (2019); translation from Mat. Zametki 106, No. 1, 3-12 (2019).
MSC:  45E10
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### The distribution and asymptotic behaviour of the negative Wiener-Hopf factor for Lévy processes with rational positive jumps. (English)Zbl 1427.60083

MSC:  60G51 60J25 91B05
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### Fractional linear quadratic regulators using Wiener-Hopf spectral factorization. (English)Zbl 1431.49035

MSC:  49N10 49N35
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### Trends in supersymmetric quantum mechanics. (English)Zbl 1425.81045

Kuru, Şengül (ed.) et al., Integrability, supersymmetry and coherent states. A volume in honour of Professor Véronique Hussin. In part selected contributions from the 6th international workshop on new challenges in quantum mechanics: integrability and supersymmetry, Valladolid, Spain, June 27–30, 2017. Cham: Springer. CRM Ser. Math. Phys., 37-68 (2019).
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### Extension of factorization theorems of Maurey to $$s$$-positively homogeneous operators. (English)Zbl 1449.47039

MSC:  47A68 46B42 46B40
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### Properties of factorization operators in boundary crossing problems for random walks. (English. Russian original)Zbl 1423.60074

Izv. Math. 83, No. 5, 1050-1065 (2019); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 83, No. 5, 149-166 (2019).
MSC:  60G50 60H25 60E05
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### Convergence of operators with closed range. (English)Zbl 1438.47004

MSC:  47A05 47A68 47B02
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### A Toeplitz-like operator with rational symbol having Poles on the unit circle. III: The adjoint. (English)Zbl 07123544

MSC:  47B35 47A53 47A68
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### On the structure of the inverse to Toeplitz-block Toeplitz matrices and of the corresponding polynomial reflection coefficients. (English)Zbl 1464.15044

MSC:  15B05 15A09 47A68
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### Wiener-Hopf operators admit triangular factorization. (English)Zbl 1449.47058

MSC:  47B35 47A68
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### Approximate Wiener-Hopf factorization and Monte Carlo methods for Lévy processes. (English. Russian original)Zbl 1479.60098

Theory Probab. Appl. 64, No. 2, 186-208 (2019); translation from Teor. Veroyatn. Primen. 64, No. 2, 228-257 (2019).
MSC:  60G51 60E07 60H30
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### Retraction note to: “Factorization of triangular matrix-functions of an arbitrary order”. (English)Zbl 1440.47016

MSC:  47A68 47A56 30E25
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### Weak factorization and Hankel forms for Bergman-Orlicz spaces on the unit ball. (English)Zbl 1480.47042

MSC:  47B35 32A35 32A36
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### Fluctuation theory for Lévy processes with completely monotone jumps. (English)Zbl 1412.60067

MSC:  60G51 47A68 30E20
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