Found 526 Documents (Results 1–100)
Existence and regularity results of parabolic problems with convection term and singular nonlinearity. (English) Zbl 07928833
The impact of a singular first-order term in some degenerate elliptic equations involving Hardy potential. (English) Zbl 07919743
High-order BDF convolution quadrature for fractional evolution equations with hyper-singular source term. (English) Zbl 07915983
Multiplicity of solutions for variable-order fractional Kirchhoff problem with singular term. (English) Zbl 07914178
Existence and uniqueness results for an elliptic equation with blowing-up coefficient and lower order term. (English) Zbl 07905073
Oscillatory and regularized shock waves for a modified Serre-Green-Naghdi system. (English) Zbl 07899498
Forecasting of the true satellite carbon monoxide data with ensemble empirical mode decomposition, singular value decomposition and moving average. (English) Zbl 07887840
Efficient and accurate temporal second-order numerical methods for multidimensional multi-term integrodifferential equations with the Abel kernels. (English) Zbl 07866647
Navier-Stokes equations in the half space with non compatible data. (English) Zbl 1541.76022
Reviewer: Piotr Biler (Wrocław)
Singular asymptotic expansion and Legendre collocation method for two-term weakly singular Volterra integral equation of the second kind. (English) Zbl 1535.65317
Existence and regularity results for some nonlinear singular parabolic problems with absorption terms. (English) Zbl 1533.35204
Microscopic expression of anomalous dissipation in passive scalar transport. (English) Zbl 1542.76066
Crank-Nicolson schemes for sub-diffusion equations with nonsingular and singular source terms in time. (English) Zbl 1531.65190
An equidistributed grid-based second-order scheme for a singularly perturbed Fredholm integro-differential equation with an interior layer. (English) Zbl 07764820
Existence of positive periodic solutions for double phase problem with indefinite singular terms. (English) Zbl 07921267
Analytical and numerical discussion for the phase-lag Volterra-Fredholm integral equation with singular kernel. (English) Zbl 07921258
Existence and multiplicity of solutions for boundary value problem of singular two-term fractional differential equation with delay and sign-changing nonlinearity. (English) Zbl 1534.34073
Numerical treatment for a coupled system of singularly perturbed reaction-diffusion equations with Robin boundary conditions and having boundary and interior layers. (English) Zbl 1539.76133
Sharma, Rajesh Kumar (ed.) et al., Frontiers in industrial and applied mathematics. Selected papers based on the presentations at the 4th international conference, FIAM-2021, Punjab, India, December 21–22, 2021. Singapore: Springer. Springer Proc. Math. Stat. 410, 629-645 (2023).
Boundary value problem in an infinite strip for one characteristic equation degenerating into elliptic one. (English) Zbl 1533.35016
Well-posedness of solutions of multi-term fractional nonlinear stochastic differential equations with weakly singular kernel. (Chinese. English summary) Zbl 07801514
Existence, uniqueness and multiplicity of solutions for a class of fractional \(p\)-Kirchhoff problems. (English) Zbl 1538.58010
Existence and regularity of solutions to elliptic equation with singular convection term and lower order term. (English) Zbl 1529.35175
High-order BDF convolution quadrature for subdiffusion models with a singular source term. (English) Zbl 1537.65117
Positive solution for a nonlocal problem with strong singular nonlinearity. (English) Zbl 1526.35019
Singular solutions to the Riemann problem for the pressureless Euler equations with discontinuous source term. (English) Zbl 1527.35249
Nonlinear degenerate \(p\)-Laplacian elliptic equations with singular gradient lower order term. (English) Zbl 1538.35182
Oblique wave interaction with an infinite trench in presence of a bottom-standing thick rectangular barrier. (English) Zbl 1521.76063
Fitted mesh numerical method for a coupled system of singularly perturbed reaction-diffusion Robin boundary value problem having boundary and internal layers. (English) Zbl 1517.65069
Some recent results on singular \(p\)-Laplacian systems. (English) Zbl 1519.35004
Reviewer: Dumitru Motreanu (Perpignan)
A computational method for a two-parameter singularly perturbed elliptic problem with boundary and interior layers. (English) Zbl 1540.65460
A fitted numerical method for a singularly perturbed Fredholm integro-differential equation with discontinuous source term. (English) Zbl 1522.65132
On the number of rational points on a class of singular hypersurfaces. (English) Zbl 07692674
MSC:
14J70
Numerical solution of singularly perturbed 2-D convection-diffusion elliptic interface PDEs with Robin-type boundary conditions. (English) Zbl 07692030
Synchronized front propagation and delayed flame quenching in strain G-equation and time-periodic cellular flows. (English) Zbl 1519.76113
On the weighted Dirichlet eigenvalues of Hardy operators involving critical gradient terms. (English) Zbl 1512.35415
A global compactness result with applications to a nonlinear elliptic equation arising in astrophysics. (English) Zbl 1520.35003
Positive solutions for singular \((p, q)\)-Laplacian equations with negative perturbation. (English) Zbl 1514.35244
Reviewer: Patrick Winkert (Berlin)
About one boundary value problem for a non-classic type differential equation. (English) Zbl 07888190
The one-dimensional model for an elliptic equation in a perforated thin anisotropic heterogeneous three-dimensional structure. (English) Zbl 1529.35018
Parametric superlinear double phase problems with singular term and critical growth on the boundary. (English) Zbl 1529.35229
Numerical analysis for a class of coupled system of singularly perturbed time-dependent convection-diffusion equations with a discontinuous source term. (English) Zbl 1533.65128
Multiplicity of negative-energy solutions for singular-superlinear Schrödinger equations with indefinite-sign potential. (English) Zbl 1507.35248
Stationary solutions for a 1D PDE problem with gradient term and negative powers nonlinearity. (English) Zbl 1507.34033
Existence and stability of periodic solution of contrast structure type in discontinuous singularly perturbed reaction-convection-diffusion problem. (English) Zbl 1500.35017
Comput. Math. Math. Phys. 62, No. 10, 1664-1679 (2022) and Zh. Vychisl. Mat. Mat. Fiz. 62, No. 10, 1695 (2022).
On critical double phase Kirchhoff problems with singular nonlinearity. (English) Zbl 1517.35105
Reviewer: Calogero Vetro (Palermo)
A note on superassociative algebra of terms determined by singular mappings on a finite set. (English) Zbl 1513.08004
Analysis of the onset of a regime shift and detecting early warning signs of major population changes in a two-trophic three-species predator-prey model with long-term transients. (English) Zbl 1500.92094
Regularity of minimizers for a general class of constrained energies in two-dimensional domains with applications to liquid crystals. (English) Zbl 1501.76003
Español, Malena I. (ed.) et al., Research in mathematics of materials science. Cham: Springer. Assoc. Women Math. Ser. 31, 59-78 (2022).
Investigation of the effect of injection from a yawed plate with the spanwise-varied base pressure on the disturbance propagation in the regime of strong interaction. (English. Russian original) Zbl 1497.76072
Fluid Dyn. 57, No. 3, 247-260 (2022); translation from Izv. Ross. Akad. Nauk, Mekh. Zhidk. Gaza 2022, No. 3, 30-43 (2022).
Source term model for elasticity system with nonlinear dissipative term in a thin domain. (English) Zbl 1497.35045
Two time-stepping schemes for sub-diffusion equations with singular source terms. (English) Zbl 1492.65249
A higher-order finite difference method for two-dimensional singularly perturbed reaction-diffusion with source-term-discontinuous problem. (English) Zbl 1524.35056
Global nonexistence of solutions for Caputo fractional differential inequality with singular potential term. (English) Zbl 1500.35299
Existence and regularity results for a singular parabolic equations with degenerate coercivity. (English) Zbl 1491.35279
Singular \((p, q)\)-equations with superlinear reaction and concave boundary condition. (English) Zbl 1486.35239
Reviewer: Dumitru Motreanu (Perpignan)
Singular quasilinear convective elliptic systems in \(\mathbb{R}^N\). (English) Zbl 1485.35176
Reviewer: Dumitru Motreanu (Perpignan)
Eigenvalue problems for a class of infinite complex symmetric tridiagonal matrices with related three-term recurrence relation. (English) Zbl 1483.15004
Bifurcation analysis for a modified quasilinear equation with negative exponent. (English) Zbl 1486.35034
Reviewer: Guowei Dai (Dalian)
On reachable set estimation of nonlinear singular systems with distributed delay. (English) Zbl 07840492
A first-order convergent parameter-uniform numerical method for a singularly perturbed second-order delay-differential equation of reaction-diffusion type with a discontinuous source term. (English) Zbl 1506.65092
Sigamani, Valarmathi (ed.) et al., Differential equations and applications. Selected papers based on the presentations at the international conference on applications of basic science, ICABS 2019, Tiruchirappalli, India, November 19–21, 2019. Singapore: Springer. Springer Proc. Math. Stat. 368, 73-94 (2021).
Traveling waves for unbalanced bistable equations with density dependent diffusion. (English) Zbl 1493.35124
Discrete singular convolution for fourth-order multi-term time fractional equation. (English) Zbl 07534877
On the solvability and approximate solution of a one-dimensional singular problem for a \(p\)-Laplacian fractional differential equation. (English) Zbl 1486.34028
Singularly perturbed Robin type boundary value problems with discontinuous source term in geophysical fluid dynamics. (English) Zbl 1485.76068
Dynamical effects of offset terms on a modified Chua’s oscillator and its circuit implementation. (English) Zbl 1493.34141
The conditions for blow-up and global existence of solution for a degenerate and singular parabolic equation with a non-local source. (English) Zbl 1479.35149
Higher-order derivatives of the Green function in hyper-singular integral equations. (English) Zbl 1490.76043
Nonunique weak solutions in Leray-Hopf class for the three-dimensional Hall-MHD system. (English) Zbl 1503.76128
Reviewer: Stephen Wollman (New York)
Travelling waves in the Fisher-KPP equation with nonlinear degenerate or singular diffusion. (English) Zbl 1479.35880
Nonvariational and singular double phase problems for the Baouendi-Grushin operator. (English) Zbl 1476.35110
Reviewer: Calogero Vetro (Palermo)
On exponential stability for thermoelastic plates: comparison and singular limits. (English) Zbl 1470.80004
Nonlinear singular problems with convection. (English) Zbl 1471.35170
Reviewer: Calogero Vetro (Palermo)
Solution with an inner transition layer of a two-dimensional boundary value reaction-diffusion-advection problem with discontinuous reaction and advection terms. (English. Russian original) Zbl 1467.35029
Theor. Math. Phys. 207, No. 2, 655-669 (2021); translation from Teor. Mat. Fiz. 207, No. 2, 293-309 (2021).
Canonical Hilbert-Burch matrices for power series. (English) Zbl 1465.13012
Reviewer: Ali Benhissi (Monastir)
Global multiplicity for very-singular elliptic problems with vanishing non-local terms. (English) Zbl 1467.35187
Singular and superlinear perturbations of the eigenvalue problem for the Dirichlet \(p\)-Laplacian. (English) Zbl 1467.35127
Reviewer: Calogero Vetro (Palermo)
Positive solutions for singular double phase problems. (English) Zbl 1467.35025
Reviewer: Patrick Winkert (Berlin)
Singular double-phase systems with variable growth for the Baouendi-Grushin operator. (English) Zbl 1467.35163
Reviewer: Calogero Vetro (Palermo)
Nonlinear instability for the surface quasi-geostrophic equation in the supercritical regime. (English) Zbl 1465.76043
Exponentially slow motion for a one-dimensional Allen-Cahn equation with memory. (English) Zbl 1465.35056
Existence of a \(W_0^{1,1}\)-solution for a semilinear Dirichlet problem with very singular convection term. (English) Zbl 1466.35173
Ideals modulo a prime. (English) Zbl 1472.13043
Reviewer: Eduardo Saenz-de-Cabezon (Logroño)
A Riemannian inexact Newton-CG method for stochastic inverse singular value problems. (English) Zbl 07332750
Existence of solutions with moving singularities for a semilinear heat equation with a critical exponent. (English. French summary) Zbl 1459.35251
Corrigendum to: “Infinitely many solutions to singular convective Neumann systems with arbitrarily growing reactions”. (English) Zbl 1473.35215
Infinitely many solutions to singular convective Neumann systems with arbitrarily growing reactions. (English) Zbl 1455.35084
J. Differ. Equations 271, 849-863 (2021); corrigendum ibid. 274, 1209-1213 (2021).
Reviewer: Vicenţiu D. Rădulescu (Craiova)
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