Results 111 to 120 of about 412 (197)

On the construction of super and subsolutions for elliptic equations on all of N

, 1998
K.J. Brown, Nikos M. Stavrakakis
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A new error estimate on uniform norm of a parabolic variational inequality with nonlinear source terms via the subsolution concepts [PDF]

, 2020
Salah Boulaaras, Mohamed El Amine Bencheikh Le Hocine, Mohamed Haiour   +2 more
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A subsolution theorem for the Monge-Ampère equation over an almost Hermitian manifold [PDF]

, 2021
Jiaogen Zhang
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On the initial-boundary value problem for a nonlocal parabolic equation with nonlocal boundary condition

Журнал Белорусского государственного университета: Математика, информатика, 2018
We consider a nonlinear nonlocal parabolic equation ut = Δu + a(x,t)ur∫Ωup(y,t)dy - b(x,t)uq for (x,t) ∈ Ω × (0,+∞) with nonlinear nonlocal boundary condition u(x,t)|∂Ω × (0,+∞) = ∫Ωk(x,y,t)ul(y,t)dy and initial data u(x,0) = u0(x), x ∈ Ω, where r, p, q,
Alexander L. Gladkov, Tatiana V. Kavitova   +1 more
doaj  

Existence of solutions for a nonlinear degenerate elliptic system

Electronic Journal of Differential Equations, 2004
In this paper, we study the existence of solutions for degenerate elliptic systems. We use the sub-super solution method, and the existence of classical and weak solutions.
Nguyen Minh, Tran Dinh Ke
doaj  

The weak supersolution-subsolution method for second order quasilinear elliptic equations

, 1989
Takeshi Kura
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Nonlinear elliptic equations with self-adjoint integro-differential operators and measure data under sign condition on the nonlinearity

Advanced Nonlinear Studies
We study the existence problem for semilinear equations (E): −Au = f(⋅, u) + μ, with Borel measure μ and operator A that generates a symmetric Markov semigroup.
Klimsiak Tomasz
doaj   +1 more source

Uniform $L^\infty$ estimates: subsolutions to fully nonlinear partial differential equations [PDF]

Bin Guo, D. H. Phong
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Linear and logistic models with time dependent coefficients

Electronic Journal of Differential Equations, 2016
We sutdy the effects of some properties of the carrying capacity on the solution of the linear and logistic differential equations. We present results concerning the behaviour and the asymptotic behaviour of their solutions.
Youness Mir, Francois Dubeau
doaj  

Optimal vaccination in a SIRS epidemic model. [PDF]

Econ Theory, 2022
Federico S, Ferrari G, Torrente ML.
europepmc   +1 more source