Found 276 Documents (Results 1–100)
Spectral invariance of quasi-Banach algebras of matrices and pseudodifferential operators. (English) Zbl 07920506
An ADI Crank-Nicolson orthogonal spline collocation method for 2D parabolic problems with an interface. (English) Zbl 07824648
Off-diagonal bounds for the Dirichlet-to-Neumann operator on Lipschitz domains. (English) Zbl 1526.35150
MSC:
35J57
Maximal \(L^p\)-regularity and \(H^\infty\)-calculus for block operator matrices and applications. (English) Zbl 1540.47007
Reduction of a linear \(D_e\)-system to a canonical form in the case of equivalence to a \(D_e\)-system of higher order linear equations. (English) Zbl 1518.35233
MSC:
35F35
On-diagonal asymptotics for heat kernels of a class of inhomogeneous partial differential operators. (English) Zbl 1514.35256
On the structure of continuum thermodynamical diffusion fluxes – a novel closure scheme and its relation to the Maxwell-Stefan and the Fick-Onsager approach. (English) Zbl 07653138
On the closedness and self-adjointness of \(3 \times 3\) operator matrices and application to a non-relativistic three-channel potential scattering model. (English) Zbl 1503.35194
Invariant tori for a two-dimensional completely resonant beam equation with a quintic nonlinear term. (English) Zbl 1501.35025
Trace transfer-based diagonal sweeping domain decomposition method for the Helmholtz equation: algorithms and convergence analysis. (English) Zbl 07518074
Microscopic conservation laws for the derivative nonlinear Schrödinger equation. (English) Zbl 1480.35362
Reviewer: Ayman Kachmar (Nabaṭiyya)
Convergence of an implicit scheme for diagonal non-conservative hyperbolic systems. (English) Zbl 1501.65028
Hölder regularity for porous medium systems. (English) Zbl 1472.35078
Reviewer: Vincenzo Vespri (Firenze)
Posterior contraction for empirical Bayesian approach to inverse problems under non-diagonal assumption. (English) Zbl 1467.35350
On diagonal dominance of FEM stiffness matrix of fractional Laplacian and maximum principle preserving schemes for the fractional Allen-Cahn equation. (English) Zbl 1473.65207
Solutions with peaks for a coagulation-fragmentation equation. II: Aggregation in peaks. (English) Zbl 1470.76107
On Gelfond-Leontiev operators of generalized differentiation. (English. Russian original) Zbl 07308099
J. Math. Sci., New York 252, No. 3, 319-344 (2021); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 153, 29-54 (2018).
A fourth-order orthogonal spline collocation method for two-dimensional Helmholtz problems with interfaces. (English) Zbl 07777674
A higher order finite difference method for numerical solution of the Kuramoto-Sivashinsky equation. (English) Zbl 1481.65135
Shahid, Mohammad Hasan (ed.) et al., Differential geometry, algebra, and analysis. Selected papers based on the presentations at the international conference, ICDGAA 2016, New Delhi, India, November 15–17, 2016. Singapore: Springer. Springer Proc. Math. Stat. 327, 217-229 (2020).
Entropy functionals and thermodynamics of relativistic geometric flows, stationary quasi-periodic Ricci solitons, and gravity. (English) Zbl 1451.53124
On singularity of energy measures for symmetric diffusions with full off-diagonal heat kernel estimates. (English) Zbl 1453.31016
Ground state solutions for the Chern-Simons-Schrödinger equations with general nonlinearity. (English) Zbl 1454.35156
Global existence and asymptotic behavior for some multidimensional quasilinear hyperbolic systems. (English) Zbl 1448.35328
On \(L^\infty\) stabilization of diagonal semilinear hyperbolic systems by saturated boundary control. (English) Zbl 1441.93241
A robust solver for a second order mixed finite element method for the Cahn-Hilliard equation. (English) Zbl 1478.65080
Reviewer: Yongyong Cai (Beijing)
A fourth-order orthogonal spline collocation method to fourth-order boundary value problems. (English) Zbl 07880248
An unconditionally stable numerical method for two-dimensional hyperbolic equations. (English) Zbl 1468.65168
Molecular decomposition of anisotropic homogeneous mixed-norm spaces with applications to the boundedness of operators. (English) Zbl 1428.42039
Reviewer: Hans Triebel (Jena)
Remarks on energy approach for global existence of some one-dimension quasilinear hyperbolic systems. (English) Zbl 1437.35457
Optimal quasi-diagonal preconditioners for pseudodifferential operators of order minus two. (English) Zbl 1417.65213
High accuracy two-level implicit compact difference scheme for 1D unsteady biharmonic problem of first kind: application to the generalized Kuramoto-Sivashinsky equation. (English) Zbl 1417.65153
Riesz transforms associated with higher-order Schrödinger type operators. (English) Zbl 1409.42017
Reviewer: Michael Perelmuter (Kyïv)
Noether symmetry classifications of generalized diagonal spaces. (English) Zbl 1412.35328
Reviewer: Anthony D. Osborne (Keele)
Oscillatory dynamics in Smoluchowski’s coagulation equation with diagonal kernel. (English) Zbl 1407.82039
A robust solver for a mixed finite element method for the Cahn-Hilliard equation. (English) Zbl 1407.65179
Regularity of solutions to quasilinear parabolic systems with time-nonsmooth principal matrix and the Neumann boundary condition. (English. Russian original) Zbl 1400.35048
J. Math. Sci., New York 232, No. 3, 232-253 (2018); translation from Probl. Mat. Anal. 92, No. 3, 27-44 (2018).
Reviewer: Jana Stará (Praha)
Weighted Hardy spaces associated with elliptic operators. II: Characterizations of \(H^1_L(w)\). (English) Zbl 1407.42011
Reviewer: Santiago Boza (Barcelona)
Solvability of a pseudodifferential linear complementarity problem related to a viscoelastodynamic contact model. (English) Zbl 1470.74049
Probabilistic models of the conservation and balance laws in switching regimes. (English. Russian original) Zbl 1516.35225
J. Math. Sci., New York 229, No. 6, 601-625 (2018); translation from Zap. Nauchn. Semin. POMI 454, 5-47 (2017).
Compact difference scheme with high accuracy for one-dimensional unsteady quasi-linear biharmonic problem of second kind: application to physical problems. (Russian, English) Zbl 1399.65163
Sib. Zh. Vychisl. Mat. 21, No. 1, 65-82 (2018); translation in Numer. Analysis Appl. 11, No. 1, 45-59 (2018).
Gradient \(L^q\) theory for a class of non-diagonal nonlinear elliptic systems. (English) Zbl 1392.35131
High accuracy compact operator methods for two-dimensional fourth order nonlinear parabolic partial differential equations. (English) Zbl 1434.65127
A class of two-level implicit unconditionally stable methods for a fourth order parabolic equation. (English) Zbl 1411.65114
A splitting preconditioner for Toeplitz-like linear systems arising from fractional diffusion equations. (English) Zbl 1381.65030
Parameterized ABD preconditioning technique for time-periodic convection-diffusion problems. (English) Zbl 1375.65117
Reviewer: Vit Dolejsi (Praha)
Weighted Hardy spaces associated with elliptic operators. I: Weighted norm inequalities for conical square functions. (English) Zbl 1380.42019
Reviewer: Santiago Boza (Barcelona)
Stability of periodic steady-state solutions to a non-isentropic Euler-Poisson system. (English) Zbl 1357.35040
Optimal preconditioners for Nitsche-XFEM discretizations of interface problems. (English) Zbl 1360.65281
Reviewer: Constantin Popa (Constanţa)
Local Hardy spaces associated with inhomogeneous higher order elliptic operators. (English) Zbl 1361.42021
On the decoupling problem of general quasilinear first order systems in two independent variables. (English) Zbl 1350.35066
MSC:
35F50
An algorithmic exploration of the existence of high-order summation by parts operators with diagonal norm. (English) Zbl 1370.65039
The \(L^{q}\) estimates of Riesz transforms associated to Schrödinger operators. (English) Zbl 1362.42026
Maximal function characterizations of Hardy spaces associated to homogeneous higher order elliptic operators. (English) Zbl 1346.42021
Destabilization threshold curves for diffusion systems with equal diffusivity under non-diagonal flux boundary conditions. (English) Zbl 1327.35155
Hardy spaces \(H_L^p(\mathbb{R}^n)\) associated with higher-order Schrödinger type operators. (English) Zbl 1349.42048
On Darboux’s approach to \(R\)-separability of variables. Classification of conformally flat 4-dimensional binary metrics. (English) Zbl 1329.53056
J. Phys. A, Math. Theor. 48, No. 38, Article ID 385201, 27 p. (2015); corrigendum J. Phys. A, Math. Theor. 48, No. 48, Article ID 489501, 1 p. (2015).
Old and new results in regularity theory for diagonal elliptic systems via blowup techniques. (English) Zbl 1329.35145
Reviewer: Stephan Fackler (Ulm)
Hardy spaces associated with a pair of commuting operators. (English) Zbl 1326.42025
Reviewer: Sibei Yang (Lanzhou)
Generic off-diagonal solutions and solitonic hierarchies in (modified) gravity. (English) Zbl 1317.83028
Gradient entropy estimate and convergence of a semi-explicit scheme for diagonal hyperbolic systems. (English) Zbl 1317.65175
Reviewer: Marius Ghergu (Dublin)
Proof on the convergence of TDMA algorithm in the iterative solutions of two-dimensional convection-diffusion problems. (Chinese. English summary) Zbl 1313.65287
Boundary integral equation analysis on the sphere. (English) Zbl 1308.65208
Reviewer: Gunther Schmidt (Berlin)
Sharp two-sided heat kernel estimates of twisted tubes and applications. (English) Zbl 1304.35315
Reviewer: François Bolley (Paris)
Hybrid resonance of Maxwell’s equations in slab geometry. (English) Zbl 1296.35182
Reviewer: Oleg A. Sinkevich (Moskva)
The regularity of general parabolic systems with degenerate diffusion. (English) Zbl 1297.35066
Mem. Am. Math. Soc. 1041, vi, 143 p. (2013).
Reviewer: Vincenzo Vespri (Firenze)
A robust preconditioned MinRes solver for time periodic eddy current problems. (English) Zbl 1284.35421
Conditions of hyperbolicity of linear differentiable systems with constant multiplicity. (English) Zbl 1282.35230
MSC:
35L45
Reducing quasilinear systems to block triangular form. (English. Russian original) Zbl 1272.35073
Sb. Math. 204, No. 3, 438-462 (2013); translation from Mat. Sb. 204, No. 3, 135-160 (2013).
Riesz transforms, fractional power and functional calculus of Schrödinger operators on weighted \(L^p\)-spaces. (English) Zbl 1280.47043
Reviewer: Stepan Agop Tersian (Rousse)
The numerical simulation of the solutions for the generalized Burgers-Huxley equation. (Chinese. English summary) Zbl 1289.65184
Characterizations of Hardy spaces associated to higher order elliptic operators. (English) Zbl 1250.42078
Reviewer: Ming Xu (Guangzhou)
Deformation retracts to the fat diagonal and applications to the existence of peak solutions of nonlinear elliptic equations. (English) Zbl 1246.35074
Two-sided estimates of heat kernels on metric measure spaces. (English) Zbl 1252.35148
Reviewer: Ti-Jun Xiao (Fudan)
The geometry of finite difference discretizations of semilinear elliptic operators. (English) Zbl 1242.65216
Reviewer: Vicenţiu D. Rădulescu (Craiova)
The alternating-direction parallel difference algorithm based on operator splitting technique for hyperbolic equation. (Chinese. English summary) Zbl 1249.65181
Classical solvability of a parabolic system of two nonlinear equations. (English. Russian original) Zbl 1254.35114
Differ. Equ. 47, No. 4, 593-598 (2011); translation from Differ. Uravn. 47, No. 4, 593-598 (2011).
Riesz transforms associated to Schrödinger operators with negative potentials. (English) Zbl 1247.42012
A numerical method for diffusion-convection equation using high-order difference schemes. (English) Zbl 1219.65090
Schrödinger equations and heat kernel upper bounds on metric spaces. (English) Zbl 1213.47050
Reviewer: Michael Perelmuter (Kyïv)
Bilinear paraproducts revisited. (English) Zbl 1203.42028
Reviewer: Boris Rubin (Baton Rouge)
Row scaling as a preconditioner for some nonsymmetric linear systems with discontinuous coefficients. (English) Zbl 1196.65066
Solutions to integro-differential parabolic problems arising in the pricing of financial options in a Lévy market. (English) Zbl 1191.35009
Numerical stability analysis of nonlinear Schrödinger equation via congruence transformation. (English) Zbl 1238.65096
Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 71, No. 12, e-Suppl., e1233-e1238 (2009).
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