Keywords: شاخص نقطه ثابت; Prey-predator model; Bifurcation; Fixed point index;
مقالات ISI شاخص نقطه ثابت (ترجمه نشده)
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Keywords: شاخص نقطه ثابت; Asymptotic behavior; Fixed point index; Unbounded domain; Hammerstein type equation; Boundary value problems;
Keywords: شاخص نقطه ثابت; Predator-prey model; Stage structure; Steady states; Stability; Fixed point index; Hopf bifurcation;
Keywords: شاخص نقطه ثابت; Positive solution; Logistic equation; Non-homogeneous Kirchhoff term; Fixed point index; Cone theoretic argument
Keywords: شاخص نقطه ثابت; 35J60; 47H07; 47H10Logistic equation; Dependence on the gradient; Fixed point index; Leggett–Williams theorem
Keywords: شاخص نقطه ثابت; Fully fourth-order boundary value problem; Cantilever beam equation; Positive solution; Cone; Fixed point index
Keywords: شاخص نقطه ثابت; Coexistence; Global attractor; Fixed point index; Bifurcation; Numerical simulation
Keywords: شاخص نقطه ثابت; Positive solution; First eigenvalue; Spectral analysis; Signed measure; Singularity; Fixed point index;
Keywords: شاخص نقطه ثابت; Coexistence states; Permanence; Fixed point index; Bifurcation; Stability; Multiplicity
Keywords: شاخص نقطه ثابت; Fixed point index; Cone; Nontrivial solution; Nonlinear boundary conditions
Exact interval of parameter and two infinite families of positive solutions for a nth order impulsive singular equation
Keywords: شاخص نقطه ثابت; 34B18; 34C23; 34K10; Exact interval of parameter; Two infinite families of positive solutions; Transformation technique; Higher order impulsive singular equations; Fixed point index;
New results for the Liebau phenomenon via fixed point index
Keywords: شاخص نقطه ثابت; Valveless pumping; Periodic boundary value problem; Cone; Fixed point index; Green's function;
Periodic points of the planar area preserving Poincaré map inside isolating segment
Keywords: شاخص نقطه ثابت; Lefschetz number; Isolating blocks; Periodic segments; Fixed point index; Planar Hamiltonian systems; Poincaré map;
Positive solutions to some equations with homogeneous operator
Keywords: شاخص نقطه ثابت; Homogeneous operator; Kirchhoff equation; Positive solutions; Fixed point index;
Existence and localization of positive solutions for a nonlocal BVP arising in chemical reactor theory
Keywords: شاخص نقطه ثابت; Boundary value problem; Nonlocal boundary condition; Positive solution; Chemical reactor; Fixed point index
Eigenvalue interval for multi-point boundary value problems of fractional differential equations
Keywords: شاخص نقطه ثابت; Fractional differential equation; Eigenvalue interval; Completely continuous operator; Fixed point index
Positive solutions to differential inclusions with nonlocal, nonlinear boundary conditions
Keywords: شاخص نقطه ثابت; Differential inclusion; Integral inclusion; Fixed point index; Nonlocal boundary condition; Positive solution;
Positive solutions of the three-point boundary value problem for second order differential equations with an advanced argument
Keywords: شاخص نقطه ثابت; Three-point boundary value problem; Fixed point index; Cone; Positive solution
Positive solutions for a class of multi-parameter elliptic systems
Keywords: شاخص نقطه ثابت; Positive solution; Elliptic system; Fixed point index; Sub-supersolution
Positive solutions for singular second order differential equations with integral boundary conditions
Keywords: شاخص نقطه ثابت; Positive solution; Integral boundary value problem; Singular; Fixed point index; Cone
Uniqueness of stationary equilibrium payoffs in coalitional bargaining
Keywords: شاخص نقطه ثابت; D71Noncooperative bargaining; Multilateral bargaining; TU games; Simple games; Coalitions; Legislative bargaining; Fixed points; Fixed point index
Uniqueness of positive solutions for a class of fractional boundary value problems
Keywords: شاخص نقطه ثابت; Fractional boundary value problem; Spectral radii; Positive solution; Fixed point index
Multiple solutions for nonlinear operator equations under the condition of two pairs of paralleled lower and upper solutions
Keywords: شاخص نقطه ثابت; Paralleled lower and upper solutions; Fixed point index; Condensing operator; Cone
Positive periodic solutions of first-order singular systems
Keywords: شاخص نقطه ثابت; First-order non-autonomous singular systems; Positive periodic solutions; Fixed point index; Leray-Schauder degree; Lower and upper solutions method;
Positive solutions of semi-positone Hammerstein integral equations and applications
Keywords: شاخص نقطه ثابت; Integral equation of Hammerstein type; Semi-positone; Positive solution; Ordered Banach space; Fixed point index
Higher order functional differential systems with parameter dependence
Keywords: شاخص نقطه ثابت; High order functional differential systems; Fixed point index; Positive periodic solution; Existence and nonexistence;
Positive solutions of a focal problem for one-dimensional pp-Laplacian equations
Keywords: شاخص نقطه ثابت; pp-Laplacian equation; Positive solution; Focal problem; Fixed point index; Dirichlet problem; Jensen’s inequality
Non-negative solutions of systems of ODEs with coupled boundary conditions
Keywords: شاخص نقطه ثابت; Fixed point index; Cone; System; Non-negative solution;
Positive solutions of a system of second order boundary value problems involving first order derivatives via R+n-monotone matrices
Keywords: شاخص نقطه ثابت; 34B15; 14B48; 45G15; 47H11; 45M20Positive solution; First order derivative; R+n-monotone matrix; Fixed point index; A priori estimate
Multiple positive solutions of non-local initial value problems for first order differential systems
Keywords: شاخص نقطه ثابت; 34B18; 34C25; 47H11; 47H30Non-local condition; Positive solution; Periodic solution; Fixed point index
Nonzero positive weak solutions of systems of p-Laplace equations
Keywords: شاخص نقطه ثابت; Systems of p-Laplace equations; Nonzero positive weak solutions; Fixed point index;
Multiple sign-changing solutions to the Sturm-Liouville boundary value problem with resonance
Keywords: شاخص نقطه ثابت; Sturm-Liouville boundary value problem; Sign-changing solution; Topological degree; Fixed point index; Critical group;
Multiplicity of positive solutions for a (p1,p2)(p1,p2)-Laplacian system and its applications
Keywords: شاخص نقطه ثابت; Positive solution; (p1,p2)(p1,p2)-Laplacian system; Fixed point index; Leray–Schauder degree; Strict lower and upper solution
Existence of positive solutions for a thermostat model
Keywords: شاخص نقطه ثابت; Nonlocal boundary conditions; Fixed point index; Positive solution
A cohomological index of Fuller type for set-valued dynamical systems
Keywords: شاخص نقطه ثابت; 54C60; 34A60; 34K18; 55N05; 37C27; 37C25Set-valued map; Poincaré map; Differential inclusion; Periodic orbit; Fixed point index; Fuller index
A sufficient and necessary condition for the existence of positive solutions for a prey–predator system with Ivlev-type functional response
Keywords: شاخص نقطه ثابت; Prey–predator model; Positive solution; Ivlev-type functional response; Fixed point index
On the Conley index in the invariant manifolds
Keywords: شاخص نقطه ثابت; Conley index; Fixed point index; Limit sets; Dissipative flow
Positive solutions for a nonlocal fractional differential equation
Keywords: شاخص نقطه ثابت; Fractional differential equation; Positive solution; Singular problem; Fixed point index
Existence of the second positive radial solution for a pp-Laplacian problem
Keywords: شاخص نقطه ثابت; 34B08; 34B16; 35J25pp-Laplacian; Exterior domain; Radial solution; Upper and lower solutions; Fixed point index
Existence of positive periodic solutions of nonlinear first-order delayed differential equations
Keywords: شاخص نقطه ثابت; Positive ω-periodic solutions; Existence; Fixed point index; Cones
Existence and multiplicity of positive solutions for nonlinear boundary value problems with a parameter
Keywords: شاخص نقطه ثابت; Boundary value problem; Positive solution; Fixed point index; Existence; Multiplicity
Positive solutions for a system of pp-Laplacian boundary value problems
Keywords: شاخص نقطه ثابت; pp-Laplacian boundary value problem; Positive solution; A priori estimate; Fixed point index; The Jensen integral inequality; R+n-monotone matrix
Positive solutions for nonlinear discrete second-order boundary value problems with parameter dependence
Keywords: شاخص نقطه ثابت; Boundary value problem; Positive solution; Fixed point index; Ambrosetti–Prodi type result
Positive solutions for a fourth order p-Laplacian boundary value problem
Keywords: شاخص نقطه ثابت; 34B18; 47H07; 47H11; 45M20; 26D15; p-Laplacian equation; Positive solution; Fixed point index; Upper and lower solution; Iterative sequence;
Existence of positive solutions for a prey–predator model with refuge and diffusion
Keywords: شاخص نقطه ثابت; Prey–predator model; Positive solution; Refuge; Bifurcation theory; Fixed point index; Stability
Positive solutions of systems of singular Hammerstein integral equations with applications to semilinear elliptic equations in annuli
Keywords: شاخص نقطه ثابت; primary, 45G15; secondary, 45G05, 35J55, 34B16, 34B18, 47H10Singular Hammerstein integral equations; Semilinear elliptic systems; Positive solutions; Radial solutions; Fixed point index
A competition model for two resources in un-stirred chemostat
Keywords: شاخص نقطه ثابت; Chemostat; Competition; Reaction-diffusion system; Fixed point index; Attractor; Coexistence; Persistence; Extinction;
Positive solutions for a three-trophic food chain model with diffusion and Beddington–Deangelis functional response
Keywords: شاخص نقطه ثابت; Positive solutions; Food chain model; Beddington–Deangelis functional response; Fixed point index; Extinction; Permanence; Global attractor; Stability
Existence and multiplicity results for nonlinear periodic boundary value problems
Keywords: شاخص نقطه ثابت; 34B15; 34B18Periodic boundary value problem; Positive solution; Global continuation theorem; Fixed point index; Existence; Multiplicity
Positive solutions for third-order Sturm–Liouville boundary value problems with pp-Laplacian
Keywords: شاخص نقطه ثابت; Positive solution; Sturm–Liouville boundary value problem; pp-Laplacian operator; Fixed point index