## Found 5,776 Documents (Results 1–100)

100
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### Residual-based a posteriori error estimators for mixed finite element methods for fourth order elliptic singularly perturbed problems. (English)Zbl 07531736

MSC:  65Nxx 35Jxx 35Bxx
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MSC:  65R20
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### Another look at planar Schrödinger-Newton systems. (English)Zbl 07528984

MSC:  35Jxx 35Qxx 35Bxx
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MSC:  65-XX
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### Finite element method for singularly perturbed problems with two parameters on a Bakhvalov-type mesh in 2D. (English)Zbl 07512671

MSC:  65N12 65N30 65N50
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### Fast two-beam collisions in a linear optical medium with weak cubic loss in spatial dimension higher than 1. (English)Zbl 07507197

MSC:  78A60 35Q55 35B20
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### A contribution to the conditioning theory of the indefinite least squares problems. (English)Zbl 07505516

MSC:  65F20 65F35
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### A novel nonlinear FE perturbation method and its application to stacking sequence optimization for snap-through response of cylindrical shell panel. (English)Zbl 07504629

MSC:  74-XX 92-XX
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### Application of homotopy perturbation method using Laplace transform intended for determining the temperature in the heterogeneous casting-mould system. (English)Zbl 07502785

MSC:  35C05 35A22 35K20
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### The Saint-Venant solution of a 3D tapered beam. (English)Zbl 07502677

MSC:  74G10 74G50 45G05
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### A novel semi-analytical method for solutions of two dimensional fuzzy fractional wave equation using natural transform. (English)Zbl 07495837

MSC:  26A33 34A07 35R13
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### Distinguished limits and drifts: between nonuniqueness and universality. (English. French summary)Zbl 07495618

MSC:  76D07 76B15
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### Existence and multiplicity of bound state solutions to a Kirchhoff type equation with a general nonlinearity. (English)Zbl 07493856

MSC:  35J62 35A01 35A15
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### Complex WKB method for a system of two linear difference equations. (English. Russian original)Zbl 07491003

St. Petersbg. Math. J. 33, No. 2, 405-425 (2022); translation from Algebra Anal. 33, No. 2, 298-326 (2021).
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### Numerical study of two-parameter singularly perturbed problem in two dimensions on an exponentially graded mesh. (English)Zbl 07490249

MSC:  65N06 65N50
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### The multiscale perturbation method for two-phase reservoir flow problems. (English)Zbl 07484224

MSC:  76Sxx 65Nxx 76Mxx
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### Theoretical study of MHD electro-osmotically flow of third-grade fluid in micro channel. (English)Zbl 07483714

MSC:  76Axx 65Hxx 76Txx
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### Quasilinear double phase problems in the whole space via perturbation methods. (English)Zbl 07483346

MSC:  35J62 35A01
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### The damping Helmholtz-Rayleigh-Duffing oscillator with the non-perturbative approach. (English)Zbl 07478814

MSC:  82-XX 76-XX
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### Motion of several slender rigid filaments in a Stokes flow. (Mouvement de filaments rigides minces dans un fluide de Stokes.) (English. French summary)Zbl 1482.76038

MSC:  76D07 76M45 76M99
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### Homotopy perturbation method for solving fuzzy fractional heat-conduction equation. (English)Zbl 1480.35403

Allahviranloo, Tofigh (ed.) et al., Advances in fuzzy integral and differential equations. Cham: Springer. Stud. Fuzziness Soft Comput. 412, 159-169 (2022).
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### An accelerated homotopy-perturbation-Kaczmarz method for solving nonlinear inverse problems. (English)Zbl 1483.65085

MSC:  65J15 65J22
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### Convergence and supercloseness of a finite element method for a two-parameter singularly perturbed problem on Shishkin triangular mesh. (English)Zbl 07442834

MSC:  65Nxx 65Lxx 35Jxx
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### Chaos of the Rayleigh-Duffing oscillator with a non-smooth periodic perturbation and harmonic excitation. (English)Zbl 07431712

MSC:  34-XX 37-XX
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### Free vibration and snap-through instability of FG-CNTRC shallow arches supported on nonlinear elastic foundation. (English)Zbl 07427442

MSC:  74Kxx 74Gxx 74Fxx
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### Solutions of differential equations for prediction of COVID-19 cases by homotopy perturbation method. (English)Zbl 1475.92160

Saba, Tanzila (ed.) et al., Intelligent computing applications for COVID-19. Predictions, diagnosis, and prevention. Boca Raton, FL: CRC Press. Innov. Health Inform. Healthc.: Using Artif. Intell. Smart Comput., 49-65 (2022).
MSC:  92D30 65H20
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### Supercloseness of finite element method on a bakhvalov-type mesh for a singularly perturbed problem with two parameters. (English)Zbl 07418840

MSC:  65Nxx 65Lxx 35Jxx
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### Error estimations in the balanced norm of finite element method on Bakhvalov-Shishkin triangular mesh for reaction-diffusion problems. (English)Zbl 07413918

MSC:  65Mxx 76-XX
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MSC:  74-XX
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MSC:  65-XX
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MSC:  65-XX
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MSC:  35L05
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### Modified homotopy methods for generalized fractional perturbed Zakharov-Kuznetsov equation in dusty plasma. (English)Zbl 07526144

MSC:  39-XX 34-XX
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MSC:  35D99
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### Investigation of fractional order tuberculosis (TB) model via Caputo derivative. (English)Zbl 07511362

MSC:  65-XX 26-XX
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### Optimal perturbation iteration method for solving fractional FitzHugh-Nagumo equation. (English)Zbl 07511328

MSC:  65-XX 35-XX
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### Numerical analysis of nonlinear fractional Klein-Fock-Gordon equation arising in quantum field theory via Caputo-Fabrizio fractional operator. (English)Zbl 07500423

MSC:  81-XX 35-XX
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### The integral formula in problems of the stability of inhomogeneous rods. (Russian. English summary)Zbl 07499727

MSC:  74G60 74K10 74G10
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### A new numerical method to solve nonlinear Volterra-Fredholm integro-differential equations. (English)Zbl 07499173

MSC:  65R20 45D05 45B05
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### Existence of infinitely many solutions to $$(2, p)$$-Laplacian equations with non-odd perturbation terms. (Chinese. English summary)Zbl 07494953

MSC:  35J92 35A15
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### A hybrid solution approach to the Korteweg-de Vries and Burgers’ equations. (English)Zbl 07490937

MSC:  65F05 46L05 11Y50
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### An efficient perturbation sumudu transform technique for the time-fractional vibration equation with a memory dependent fractional derivative in Liouville-Caputo sense. (English)Zbl 07490167

MSC:  74-XX 65-XX
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### Investigating the solutions of two classical nonlinear oscillators by the AG method. (English)Zbl 07490041

MSC:  74-XX 70-XX
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### A nonstandard method for a coupled system of singularly perturbed delay differential equations. (English)Zbl 07490036

MSC:  34K26 34K10 34K28
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### Asymptotic analysis and a uniformly convergent numerical method for singular perturbation problems. (English)Zbl 1482.65219

MSC:  65N35 35C20
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### Perturbation-based stochastic meshless method for buckling analysis of plates. (English)Zbl 07488884

MSC:  74-XX 82-XX
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### Vibrations of a plate with periodically changing parameters. (English. Russian original)Zbl 07485540

Vestn. St. Petersbg. Univ., Math. 54, No. 4, 411-417 (2021); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 8(66), No. 4, 661-669 (2021).
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### A new efficient technique for solving modified Chua’s circuit model with a new fractional operator. (English)Zbl 07485416

MSC:  34A08 26A33
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### An efficient approach for solution of fractional-order Helmholtz equations. (English)Zbl 07485409

MSC:  35R11 26A33
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### Two-component convection in micropolar fluid under time-dependent boundary concentration. (English)Zbl 1483.76054

Mahanthesh, B. (ed.), Mathematical fluid mechanics. Advances in convective instabilities and incompressible fluid flow. Berlin: De Gruyter. De Gruyter Ser. Appl. Math. Eng. Inf. Sci. 7, 163-200 (2021).
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### Convergence analysis of ADI orthogonal spline collocation without perturbation terms. (English)Zbl 07479353

MSC:  65M70 65M12
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### Dynamics of fractional Holling type-II predator-prey model with prey refuge and additional food to predator. (English)Zbl 1478.92147

MSC:  92D25 34A08 37N25
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### A novel variational approach for fractal Ginzburg-Landau equation. (English)Zbl 07468090

MSC:  65-XX 35-XX
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### A comparative study of semi-analytical methods for solving fractional-order Cauchy reaction-diffusion equation. (English)Zbl 07467680

MSC:  65Mxx 45-XX
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### A rigid pendulum in a microgravity: some special properties and a two-scale fractal model. (English)Zbl 1482.35260

MSC:  35R11 35L71
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### On determination of the thermomechanical characteristics of a functionally graded finite cylinder. (English. Russian original)Zbl 1481.74143

Mech. Solids 56, No. 7, 1429-1438 (2021); translation from Prikl. Mat. Mekh. 85, No. 3, 396-408 (2021).
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### Modification of the fictitious absorption method. (English. Russian original)Zbl 1483.74073

Mech. Solids 56, No. 7, 1416-1428 (2021); translation from Prikl. Mat. Mekh. 85, No. 3, 332-346 (2021).
MSC:  74M15 74G10 74H10
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### Guided waves in multilayered anisotropic composites. (English. Russian original)Zbl 1482.74097

Mech. Solids 56, No. 7, 1388-1397 (2021); translation from Prikl. Mat. Mekh. 85, No. 3, 296-308 (2021).
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### On a study of the contact problem for an inhomogeneous elastic strip. (English. Russian original)Zbl 1482.74128

Mech. Solids 56, No. 7, 1379-1387 (2021); translation from Prikl. Mat. Mekh. 85, No. 3, 285-295 (2021).
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MSC:  82-XX
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### The approximate solution of the elastic torsion problem of uniform bar with arbitrary cross-section. (English)Zbl 1480.74179

MSC:  74K10 74G10
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### Application of the homotopy analysis method to nonlinear characteristics of a piezoelectric semiconductor fiber. (Application of the homopoty analysis method to nonlinear characteristics of a piezoelectric semiconductor fiber.) (English)Zbl 1480.74075

MSC:  74F15 74G10 78A55
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### Analytical solution for the stress field of hierarchical defects: multiscale framework and applications. (English)Zbl 1476.35266

MSC:  35Q74 74S70 74G10
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MSC:  65F15
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MSC:  76-XX
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MSC:  65F45
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### Parameter-uniform numerical method for a two-dimensional singularly perturbed convection-reaction-diffusion problem with interior and boundary layers. (English)Zbl 07428978

MSC:  65-XX 35-XX
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