Found 979 Documents (Results 1–100)

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A stochastic Levenberg-Marquardt method using random models with complexity results. (English)Zbl 1487.49035

MSC:  49M05 90C56 90C60
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Nonlinear saturation controller simulation for reducing the high vibrations of a dynamical system. (English)Zbl 07513315

MSC:  93C10 93C73 93D05
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A note on optimal Hermite interpolation in Sobolev spaces. (English)Zbl 07512162

MSC:  41A05 41A25 41A46
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MSC:  90C30
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Asymptotics for the fourth-order nonlinear Schrödinger equation in 2D. (English)Zbl 07489737

MSC:  35Q55 35B40 35S30
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Stochastic analysis of an adaptive cubic regularization method under inexact gradient evaluations and dynamic Hessian accuracy. (English)Zbl 1483.65091

MSC:  65K05 90C30 90C53
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Hessian estimates to special Lagrangian equation on general phases with constraints. (English)Zbl 1478.35059

MSC:  35B45 35G20
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MSC:  65-XX
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MSC:  90C17
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Continuous-time reinforcement learning for robust control under worst-case uncertainty. (English)Zbl 1483.93111

MSC:  93B35 93C10 93C41
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Worst-case evaluation complexity of derivative-free nonmonotone line search methods for solving nonlinear systems of equations. (English)Zbl 1476.65074

MSC:  65H10 65Y20
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Life-span of blowup solutions to semilinear wave equation with space-dependent critical damping. (English)Zbl 1472.35064

MSC:  35B44 35L15 35L70
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General rogue waves in the three-wave resonant interaction systems. (English)Zbl 1486.35126

MSC:  35C08 35L45 35L60
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An efficient global algorithm for worst-case linear optimization under uncertainties based on nonlinear semidefinite relaxation. (English)Zbl 1473.90178

MSC:  90C47 90C22
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Rational spectral filters with optimal convergence rate. (English)Zbl 07379632

MSC:  65F15 15A18 65F50
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A generalized worst-case complexity analysis for non-monotone line searches. (English)Zbl 07352580

MSC:  65K05 90C30
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A worst-case risk measure by G-VaR. (English)Zbl 1471.91627

MSC:  91G70 91G10 60G65
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An introduction to the mathematical theory of inverse problems. 3rd updated edition. (English)Zbl 1456.35001

Applied Mathematical Sciences 120. Cham: Springer (ISBN 978-3-030-63342-4/hbk; 978-3-030-63345-5/pbk; 978-3-030-63343-1/ebook). xvii, 400 p. (2021).
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Robust control under worst-case uncertainty for unknown nonlinear systems using modified reinforcement learning. (English)Zbl 1465.93052

MSC:  93B35 93C41 93C10
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Existence of solutions for nonlinear singular $$q$$-Sturm-Liouville problems. (English)Zbl 07281893

Ufim. Mat. Zh. 12, No. 1, 92-103 (2020) and Ufa Math. J. 12, No. 1, 91-102 (2020).
MSC:  34Bxx
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Bayesian case deletion statistical diagnostics for nonlinear mean and variance models. (Chinese. English summary)Zbl 1463.62079

MSC:  62F15 62J20 62P10

Tensor methods for minimizing convex functions with Hölder continuous higher-order derivatives. (English)Zbl 1451.90119

MSC:  90C25 26B25 90C30
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Inexact restoration with subsampled trust-region methods for finite-sum minimization. (English)Zbl 1445.90102

MSC:  90C30 90C60
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On singularly perturbed systems of ODE with a multiple root of the degenerate equation. (English. Russian original)Zbl 1445.34087

Izv. Math. 84, No. 2, 262-290 (2020); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 84, No. 2, 60-89 (2020).
MSC:  34E15 34E05 34B15
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A gradient-type algorithm for constrained optimization with application to microstructure optimization. (English)Zbl 07195103

MSC:  65K10 49M15 90C52
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Instability of solitary wave solutions for the nonlinear Schrödinger equation of derivative type in degenerate case. (English)Zbl 1436.35068

MSC:  35C08 35B35 35Q55
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Nonlinear regression models for heterogeneous data with massive outliers. (English)Zbl 07479996

MSC:  62J02 62Pxx
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MSC:  65K10
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On the reduction of a nonlinear Noetherian differential-algebraic boundary-value problem to a noncritical case. (Ukrainian. English summary)Zbl 1449.34063

MSC:  34B15 34A09 34C20
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Weakly nonlinear boundary-value problems for systems of integrodifferential equations. Critical case of the second order. (Ukrainian. English summary)Zbl 1452.45006

MSC:  45J05 34B37
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Rate of convergence of the Nesterov accelerated gradient method in the subcritical case $$\alpha \leq 3$$. (English)Zbl 1437.49045

MSC:  49M37 65K05 90C25
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Positive, negative, and sign-changing solutions to a quasilinear Schrödinger equation with a parameter. (English)Zbl 1435.35363

MSC:  35Q55 35J62 35B09
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Normalization of Hamiltonian and nonlinear stability of triangular equilibrium points in the photogravitational restricted three body problem with P-R drag in non-resonance case. (English)Zbl 1454.70007

MSC:  70H14 37J40 70F07
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Nonradial normalized solutions for nonlinear scalar field equations. (English)Zbl 1429.35101

MSC:  35J91 58E05
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Continuous fixed-time controller design for dynamic systems with unmeasurable states subject to unbounded disturbances. (English)Zbl 1422.93072

MSC:  93B51 93C10 93C15
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Universal regularization methods: varying the power, the smoothness and the accuracy. (English)Zbl 1436.90136

MSC:  90C30 65K05
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Worst-case evaluation complexity and optimality of second-order methods for nonconvex smooth optimization. (English)Zbl 1451.90177

Sirakov, Boyan (ed.) et al., Proceedings of the international congress of mathematicians 2018, ICM 2018, Rio de Janeiro, Brazil, August 1–9, 2018. Volume IV. Invited lectures. Hackensack, NJ: World Scientific; Rio de Janeiro: Sociedade Brasileira de Matemática (SBM). 3711-3750 (2018).
MSC:  90C60 90C26 90C30
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MSC:  90C30

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A line-search algorithm inspired by the adaptive cubic regularization framework and complexity analysis. (English)Zbl 1417.90097

MSC:  90C06 90C60
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MSC:  90C30
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Symmetries and multipeakon solutions for the modified two-component Camassa-Holm system. (English)Zbl 1402.35021

Gesztesy, Fritz (ed.) et al., Non-linear partial differential equations, mathematical physics, and stochastic analysis. The Helge Holden anniversary volume on the occasion of his 60th birthday. Based on the presentations at the conference ‘Non-linear PDEs, mathematical physics and stochastic analysis’, NTNU, Trondheim, Norway, July 4–7, 2016. Zürich: European Mathematical Society (EMS) (ISBN 978-3-03719-186-6/hbk; 978-3-03719-686-1/ebook). EMS Series of Congress Reports, 227-260 (2018).
MSC:  35B06 35B10 35F55
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Isolated singularities of positive solutions for Choquard equations in sublinear case. (English)Zbl 1391.35136

MSC:  35J60 35B09
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Iterated Hamiltonian type systems and applications. (English)Zbl 1382.37065

MSC:  37J45 26B10 34A12 49K21 49M37
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On the worst-case evaluation complexity of non-monotone line search algorithms. (English)Zbl 1388.90111

MSC:  90C30 90C60
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Limit-periodic solutions of integro-differential equations in a critical case. (English. Russian original)Zbl 1379.45008

Differ. Equ. 53, No. 9, 1197-1206 (2017); translation from Differ. Uravn. 53, No. 9, 1232-1241 (2017).
MSC:  45J05 45G10 45M15
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Global existence, decay and blow-up of solutions for the higher-order nonlinear Kirchhoff type equation with a strong dissipation. (English)Zbl 1374.35195

MSC:  35K10 35B44
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On minimal nonscattering solution for focusing mass-subcritical nonlinear Schrödinger equation. (English)Zbl 1373.35289

MSC:  35Q55 35B38
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Diagnostics for quasi-likelihood nonlinear models. (English)Zbl 1462.62474

MSC:  62J20 62J02 62J12
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ZD, ZG and IOL controllers and comparisons for nonlinear system output tracking with DBZ problem conquered in different relative-degree cases. (English)Zbl 1370.93121

MSC:  93B51 93C15 93C10
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A vector field method for relativistic transport equations with applications. (English)Zbl 1373.35046

MSC:  35B40 35Q83 83C30
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Epidemic transmission on SEIR stochastic models with nonlinear incidence rate. (English)Zbl 1362.92079

MSC:  92D30 60J22
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Non-classical heat conduction problem with nonlocal source. (English)Zbl 1360.35041

MSC:  35C15 35K05 35K20 35K60 45D05 45E10 80A20
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