## Found 612 Documents (Results 1–100)

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### Existence of homoclinic solutions for a class of damped vibration problems. (English)Zbl 07505330

MSC:  34C37 47J30
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MSC:  35Qxx
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### A weighted eigenvalue problems driven by both $$p(\cdot)$$-harmonic and $$p(\cdot)$$-biharmonic operators. (English)Zbl 07484379

MSC:  58E05 35J35 47J10
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### Existence of solution for the critical biharmonic equations involving Rellich potentials. (Chinese. English summary)Zbl 07404158

MSC:  31B30 35J30 35B33
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### Quasilinear problems without the Ambrosetti-Rabinowitz condition. (English)Zbl 1472.35181

MSC:  35J62 35A01 35J20
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### Existence of positive radial solution for Neumann problem on the Heisenberg group. (English)Zbl 07509723

MSC:  35R03 35J20 46E35
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### Existence of solutions for a class of fractional Laplacian systems with critical exponent. (Chinese. English summary)Zbl 1474.35311

MSC:  35J60 35R11
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### Eigenvalues for the $$p$$-biharmonic Dirichlet-Steklov problem with weights. (English)Zbl 1455.35076

MSC:  35J30 35J40 35J35
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### Existence and nonexistence results for elliptic equations involving two critical singular nonlinearities at the same pole. (English)Zbl 1463.35216

MSC:  35J20 35J50 35B33
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### Existence results for zero mass polyharmonic system. (English)Zbl 1454.35123

MSC:  35J48 31B30
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### Multiple solutions for some symmetric supercritical problems. (English)Zbl 1448.35213

MSC:  35J62 35J20
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### On a fractional nonlinear equation on a bounded domain of $$\mathbb R^n$$. (English)Zbl 1444.35067

MSC:  35J60 35R11
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### A new concept of slope for set-valued maps and applications in set optimization studied with Kuroiwa’s set approach. (English)Zbl 1445.49010

MSC:  49J53 90C29
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### Mountain pass solutions to Euler-Lagrange equations with general anisotropic operator. (English)Zbl 1436.34016

MSC:  34B15 58E50
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### Existence of radial bounded solutions for some quasilinear elliptic equations in $$\mathbb{R}^N$$. (English)Zbl 1433.35146

MSC:  35J92 35Q55 35A15
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### Existence and multiplicity of weak solutions for gradient-type systems with oscillatory nonlinearities on the Sierpiński gasket. (English)Zbl 07412079

MSC:  35J35 35J60
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### Extremal properties of the functionals connected with the systems of conservation laws. (English)Zbl 07388415

MSC:  35L65 35A15 58E30
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### Infinitely many solutions for some nonlinear supercritical problems with break of symmetry. (English)Zbl 1433.35034

MSC:  35J20 35J62
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### On unique solvability of a Dirichlet problem with nonlinearity depending on the derivative. (English)Zbl 1431.34033

MSC:  34B15 47J07 58E50
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### Surjection and inversion for locally Lipschitz maps between Banach spaces. (English)Zbl 1440.47047

MSC:  47J07 58C07
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MSC:  58E15
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### A note on homoclinic solutions of $$(p,q)$$-Laplacian difference equations. (English)Zbl 1411.34040

MSC:  34B18 39A10 39A12
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### Solutions for singular Kirchhoff problem involving critical nonlinearity. (English)Zbl 1398.35046

MSC:  35J60 35J20
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### Chang Palais-Smale condition and global inversion. (English)Zbl 1463.47172

MSC:  47J07 58E05 49J52
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### Positive solutions to a non-homogeneous elliptic system of fourth order. (English)Zbl 1442.35106

MSC:  35J30 35J35 35B09
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### A generalized Palais-Smale condition in the Fréchet space setting. (English)Zbl 1428.58004

MSC:  58B20 58E30
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### Existence of solutions for an elliptic $$p(x)$$-Kirchhoff-type systems in unbounded domain. (English)Zbl 1424.35163

MSC:  35J60 35J20
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### Periodic solutions for nonsmooth second-order Hamiltonian systems. (English)Zbl 1406.34065

MSC:  34C15 34C25 34A34
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### Existence and concentration of positive ground state solutions for nonlinear fractional Schrödinger-Poisson system with critical growth. (English)Zbl 1405.35252

MSC:  35R11 35B38 35Q55
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### Global diffeomorphism theorem applied to the solvability of discrete and continuous boundary value problems. (English)Zbl 1391.34050

MSC:  34B15 39A12 37C05
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### Existence and multiplicity of non-zero solutions for the Neumann problem via spherical maxima. (English)Zbl 1405.34020

Reviewer: Minghe Pei (Jilin)
MSC:  34B15 58E50 34B09
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### Bubbling phenomena in calculus of variations. (English)Zbl 1394.53042

MSC:  53C20 53A30 58E30 53D10
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### Existence of positive homoclinic solutions for damped differential equations. (English)Zbl 1379.34038

MSC:  34C37 37C60 58E50
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MSC:  35J20
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### Classical solutions for discrete potential boundary value problems with generalized Leray-Lions type operator and variable exponent. (English)Zbl 06771054

MSC:  47A75 35B38
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### Existence of positive solutions to perturbed nonlinear Dirichlet problems involving critical growth. (English)Zbl 1370.35043

MSC:  35B33 35J60 35J65
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### A new form for the differential of the constraint functional in strictly convex reflexive Banach spaces. (English)Zbl 1432.35072

MSC:  35J20 35J91 35P30
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### Global analysis of one-dimensional variational problems. (Abstract of thesis). (English)Zbl 1386.58006

MSC:  58E05 49J40 58E50
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### On nonhomogeneous elliptic equations with critical Sobolev exponent and prescribed singularities. (English)Zbl 1357.35158

MSC:  35J91 35B33 35J20
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### Existence of three solutions for higher order BVP with parameters via Morse theory. (English)Zbl 1353.34022

MSC:  34B08 34B15 58E50
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### Morse theory for elastica. (English)Zbl 1352.58003

MSC:  58E05 58E50 49J40
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### Mountain pass solutions for fractional coupled nonlinear Schrödinger systems. (Chinese. English summary)Zbl 1363.35354

MSC:  35Q55 35R11

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### Existence of ground state solutions for the nonlinear fractional Schrödinger-Poisson system with critical Sobolev exponent. (English)Zbl 1386.35458

J. Differ. Equations 261, No. 6, 3061-3106 (2016); corrigendum ibid. 262, No. 3, 3132–3138 (2017).
MSC:  35R11 35A15 35J20
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### Perturbation problem for a singular elliptic equation. (English)Zbl 1393.35055

MSC:  35J75 35J20 35J25

### A unifying theory of exactness of linear penalty functions. (English)Zbl 1341.65021

MSC:  65K05 90C30
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### Multiple solutions for a nonlinear fractional boundary value problems via variational methods. (English)Zbl 1382.34009

MSC:  34A08 34B15 47H10
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### A Schechter type critical point result in annular conical domains of a Banach space and applications. (English)Zbl 1338.47117

MSC:  47J30 58E05 34B15
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### On compactness conditions for the $$p$$-Laplacian. (English)Zbl 1335.35035

MSC:  35J20 35P30 46E35
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### A Schechter-type critical point result for locally Lipschitz functions. (English)Zbl 1389.47179

MSC:  47J30 58E05 34A60

MSC:  91A65

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### Existence of solutions for perturbed elliptic system with critical exponents. (English)Zbl 1338.35031

MSC:  35B33 35J60 35J65
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### Existence and multiplicity of solutions for a nonhomogeneous Neumann boundary problem. (English)Zbl 1333.35022

MSC:  35J20 35J60
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### Two-dimensional curvature functionals with superquadratic growth. (English)Zbl 1332.53011

MSC:  53A07 53C21 35J93
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### The descending flow method and existence of solutions for a class of elliptic equations. (English)Zbl 1401.35084

MSC:  35J60 35J61
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### Multiplicity of nontrivial solutions for boundary value problem for impulsive fractional differential inclusions via nonsmooth critical point theory. (English)Zbl 1331.34014

MSC:  34A08 34B37 58E50
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### Existence and multiplicity of solutions for asymptotically linear Schrödinger-Kirchhoff equations. (English)Zbl 1334.35060

MSC:  35J61 35R09 35J35
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### On the Neumann problem for an elliptic system with weights and multiple critical nonlinearities. (English)Zbl 1326.35127

MSC:  35J50 35B33
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### Standing waves for 4-superlinear Schrödinger-Kirchhoff equations. (English)Zbl 1321.35018

MSC:  35J20 35J60
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### Nontrivial solutions of discrete nonlinear equations with variable exponent. (English)Zbl 1318.39006

MSC:  39A12 39A10 35J92
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### On elliptic problems with two critical Hardy-Sobolev exponents at the same pole. (English)Zbl 1319.35015

MSC:  35J20 35B33 35B09
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### Existence of solutions for higher order BVP with parameters via critical point theory. (English)Zbl 1322.34029

MSC:  34B08 34B15 58E50
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### Existence of solutions for a Kirchhoff-type-nonlocal operators of elliptic type. (English)Zbl 1331.35375

MSC:  35R11 35A15 34A08
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MSC:  58E15
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