## Found 1,617 Documents (Results 1–100)

### Half-plane diffraction problems on a triangular lattice. (English)Zbl 07642127

MSC:  76-XX 78-XX
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### Optimal convergence analysis of a linearized second-order BDF-PPIFE method for semi-linear parabolic interface problems. (English)Zbl 07617970

MSC:  65N15 35R05 65N30
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### Iterative system of nabla fractional difference equations with two-point boundary conditions. (English)Zbl 1498.34034

MSC:  34A08 39A12 34B15
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### Discrete boundary value problems as approximate constructions. (English)Zbl 07616991

MSC:  39A27 39A12 39A70
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### Discrete compactness property for general quadrilateral meshes. (English)Zbl 07614172

MSC:  65N30 65N25
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### Existence of infinitely many solutions of nonlinear fourth-order discrete boundary value problems. (English)Zbl 1498.39017

MSC:  39A27 39A22 39A12
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### Discrete interaction of an elastic wedge-shaped plate with an elastic stringer. (English)Zbl 1497.74053

MSC:  74K20 74S70
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### Determination of a differential pencil frominterior spectral data on a union of two closed intervals. (English)Zbl 07582695

MSC:  31B20 39A12 34N05
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### Existence of convex solutions for a discrete mixed boundary value problem with the mean curvature operator. (English)Zbl 07572895

MSC:  34B15 34K10
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### On a class of non-local discrete boundary value problems. (On a class of non-local discrete boundary value problepm.) (English)Zbl 1497.39001

MSC:  39A12 39A14 39B52
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### Three positive solutions for a nonlinear partial discrete Dirichlet problem with $$(p,q)$$-Laplacian operator. (English)Zbl 1498.39012

MSC:  39A14 39A27 39A12
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### Consistent discrete global dynamics of a general initial boundary value problem for hepatitis B virus infection with capsids and adaptive immunity. (English)Zbl 1495.31018

MSC:  31C20 92D25
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### Discrete cubic spline technique for solving one-dimensional Bratu’s problem. (English)Zbl 1482.34069

MSC:  34B15 65D07
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### A discrete problem involving the $$p(k)$$-Laplacian operator with three variable exponents. (English)Zbl 07637491

MSC:  65L15 34B15 65Q10
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### Relations between spectrum curves of discrete Sturm-Liouville problem with nonlocal boundary conditions and graph theory. II. (English)Zbl 1500.39009

MSC:  39A27 39A12 34B24
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### Three solutions to Dirichlet problems for second-order self-adjoint difference equations involving $$p$$-Laplacian. (English)Zbl 1494.39016

MSC:  39A27 39A12 34B15
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### Finite element approximation of time fractional optimal control problem with integral state constraint. (English)Zbl 1484.49055

MSC:  49M25 49J20 65N30
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### Error estimates in $$L^2$$ and $$L^\infty$$ norms of finite volume method for the bilinear elliptic optimal control problem. (English)Zbl 1485.49036

MSC:  49M41 49M25 65M08
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### Three solutions for a partial discrete Dirichlet boundary value problem with $$p$$-Laplacian. (English)Zbl 1487.39022

MSC:  39A27 39A12 39A14
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### On the discrete problem of wave diffraction by semi-infinite rigid constraint. (English)Zbl 1481.78004

MSC:  78A45 35J05
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MSC:  39A27
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### Positive solutions of the discrete Robin problem with $$\phi$$-Laplacian. (English)Zbl 1481.39014

MSC:  39A27 39A12
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### Existence of positive solutions for a class of semi-positone second-order discrete periodic boundary value problem with parameter. (Chinese. English summary)Zbl 1499.39067

MSC:  39A27 39A12 47N20
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### Weak solutions for anisotropic nonlinear discrete Dirichlet boundary value problems in a two-dimensional Hilbert space. (English)Zbl 1499.39060

MSC:  39A27 39A14
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### An eigenvalue of anisotropic discrete problem with three variable exponents. (English)Zbl 1479.39015

Ukr. Math. J. 73, No. 6, 977-987 (2021) and Ukr. Mat. Zh. 73, No. 6, 839-848 (2021).
MSC:  39A27 39A12
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### Diffraction problems for two-dimensional lattice waves in a quadrant. (English)Zbl 07425547

MSC:  35-XX 76-XX
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### On the multiplicity of solutions for the discrete boundary problem involving the singular $$\phi$$-Laplacian. (English)Zbl 1479.39016

MSC:  39A27 39A21
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### Infinitely many solutions for discrete boundary value problems with the $$(p, q)$$-Laplacian operator. (English)Zbl 1476.39017

MSC:  39A27 39A12
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### Problems for the first-order differential equations with discrete additive and discrete multiplicative derivatives. (English)Zbl 1499.39065

MSC:  39A27 39A12
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MSC:  39A27
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### Operators and equations: discrete and continuous. (English. Russian original)Zbl 07380558

J. Math. Sci., New York 257, No. 1, 17-26 (2021); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 160, 18-27 (2019).
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### Approximations to problems of optimal control of leading coefficients of elliptic equations in nondivergence form with an unbounded nonlinearity in the coefficients. (English. Russian original)Zbl 1468.49031

Differ. Equ. 57, No. 6, 780-804 (2021); translation from Differ. Uravn. 57, No. 6, 796-820 (2021).
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### Existence of solutions for a class of fractional difference equations at resonance. (English)Zbl 1469.39007

MSC:  39A27 39A12 39A13
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### Regularization of a nonlinear inverse problem by discrete mollification method. (English)Zbl 1474.35687

MSC:  35R25 35R30 65M12
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### Some generalized Gronwall-Bellman type difference inequalities and applications. (English)Zbl 1469.39004

MSC:  39A12 26D15 26D10
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### The roles that shooting methods can play in the theory of discrete boundary value problems. (English)Zbl 07355107

MSC:  39A27 39A12
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### Adaptive HDG methods for the Brinkman equations with application to optimal control. (English)Zbl 1462.49055

MSC:  49M25 65K10 65M50
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### A finite difference method for an initial-boundary value problem with a Riemann-Liouville-Caputo spatial fractional derivative. (English)Zbl 1448.65101

MSC:  65M06 35R11 26A33
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### Relations between spectrum curves of discrete Sturm-Liouville problem with nonlocal boundary conditions and graph theory. (English)Zbl 1500.39008

MSC:  39A27 39A12 34B24
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### Finite element method for second order nonlinear parabolic interface problems. (English)Zbl 1476.65232

MSC:  65M60 65M12 35B50
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### $$S$$-shaped connected component of positive solutions for second-order discrete Neumann boundary value problems. (English)Zbl 1478.39017

MSC:  39A27 39A28
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### The weak Galerkin finite element method for solving the time-dependent Stokes flow. (English)Zbl 1471.65205

MSC:  65N30 65N15 76D07
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### Solutions for difference equations through variational methods. (Persian. English summary)Zbl 1473.39001

MSC:  39A05 39A27
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### Existence of multiple solutions to a discrete boundary value problem with mixed periodic boundary conditions. (English)Zbl 1468.39005

MSC:  39A27 39A12
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