AbstractThe nonlinear matrix equations X±A*X−nA=Q are investigated. New perturbation estimates for positive definite solutions of these equations are derived. The new results are illustrated by numerical examples
AbstractTwo perturbation estimates for maximal positive definite solutions of equations X+A*X−1A=Q a...
AbstractIn this paper we consider the existence of positive solutions of the following boundary valu...
AbstractWe study by topological methods a nonlinear differential equation generalizing the Black–Sch...
AbstractWe give new and improved perturbation estimates for the solution of the matrix quadratic equ...
AbstractIn this paper we consider a class of nonlinear delay partial difference equations and a clas...
AbstractConsider the nonlinear matrix equationX=Q+AH(X−C)−1A,where Q is an n×n Hermitian positive de...
Using a perturbation argument based on a finite dimensional reduction, we find positive solutions to...
AbstractThe singular nonlinear third-order periodic boundary value problem u″′+ρ3u=f(t,u),0⩽t⩽2π, wi...
AbstractHölder regularity up to the boundary of the solutions to the Dirichlet problem for second or...
AbstractIn this paper we give new estimates for the solution to the Schrödinger equation with quadra...
AbstractWe prove uniqueness of positive solutions for the systemΔu=−λf(v),Δv=−μg(u)inΩ,u=v=0on∂Ω, wh...
AbstractWe prove a conjecture of R. Chapman asserting that, for any prime p≡3(mod4), the determinant...
AbstractIn this paper, we consider the existence of multiple solutions for a class of nonlinear Schr...
AbstractIn this paper, we establish some multiplicity results for the following Neumann problem: −di...
AbstractIn this paper, we deal with a class of pseudoparabolic problems with integral boundary condi...
AbstractTwo perturbation estimates for maximal positive definite solutions of equations X+A*X−1A=Q a...
AbstractIn this paper we consider the existence of positive solutions of the following boundary valu...
AbstractWe study by topological methods a nonlinear differential equation generalizing the Black–Sch...
AbstractWe give new and improved perturbation estimates for the solution of the matrix quadratic equ...
AbstractIn this paper we consider a class of nonlinear delay partial difference equations and a clas...
AbstractConsider the nonlinear matrix equationX=Q+AH(X−C)−1A,where Q is an n×n Hermitian positive de...
Using a perturbation argument based on a finite dimensional reduction, we find positive solutions to...
AbstractThe singular nonlinear third-order periodic boundary value problem u″′+ρ3u=f(t,u),0⩽t⩽2π, wi...
AbstractHölder regularity up to the boundary of the solutions to the Dirichlet problem for second or...
AbstractIn this paper we give new estimates for the solution to the Schrödinger equation with quadra...
AbstractWe prove uniqueness of positive solutions for the systemΔu=−λf(v),Δv=−μg(u)inΩ,u=v=0on∂Ω, wh...
AbstractWe prove a conjecture of R. Chapman asserting that, for any prime p≡3(mod4), the determinant...
AbstractIn this paper, we consider the existence of multiple solutions for a class of nonlinear Schr...
AbstractIn this paper, we establish some multiplicity results for the following Neumann problem: −di...
AbstractIn this paper, we deal with a class of pseudoparabolic problems with integral boundary condi...
AbstractTwo perturbation estimates for maximal positive definite solutions of equations X+A*X−1A=Q a...
AbstractIn this paper we consider the existence of positive solutions of the following boundary valu...
AbstractWe study by topological methods a nonlinear differential equation generalizing the Black–Sch...
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