Papers by Norimichi Hirano
Proceedings of the American Mathematical Society
In this paper, we consider the solvability of nonlinear equations of the form Au +Cu3p where A is... more In this paper, we consider the solvability of nonlinear equations of the form Au +Cu3p where A is an m-accretive operator on a Banach space X, C is a mapping on X and p2 X.
On the asymptotic behavior of solutions of a reaction-diffusion system
Journal of Mathematical Analysis and Applications, 1983
Calculus of Variations and Partial Differential Equations, 2010
We develop a perturbation method for non-even functionals which produces prescribed number of sig... more We develop a perturbation method for non-even functionals which produces prescribed number of sign-changing solutions. The abstract theory is applied to the perturbed subcritical elliptic equation and the perturbed Brézis-Nirenberg critical exponent problem.
Existence of periodic solutions to evolution equations under saddle-point type conditions
Existence of sign-changing solutions for a nonlinear elliptic problem on R N with a Hardy term
J Math Anal Appl, 2008
Let N[greater-or-equal, slanted]3, 1<p<(N+2)/(N-2) and 0<[lambda]<(N-2)2/4. We study the existenc... more Let N[greater-or-equal, slanted]3, 1<p<(N+2)/(N-2) and 0<[lambda]<(N-2)2/4. We study the existence of multiple sign-changing solutions of which are not radially symmetric.
Existence of sign changing solutions for some critical problems on $ mathbb R^N$
Commun Pure Appl Anal, 2004
Some Remarks on Degree Theory for So (2)-EQUIVARIANT Transversal Maps
Topological Methods in Nonlinear Analysis, 2003
ABSTRACT
Delay Predator-Prey Systems
Existence of multiple positive solutions for a nonlinear elliptic problem with the critical exponent and a Hardy term
Differential and Integral Equations, 2008
ABSTRACT In this paper we show that if μ&gt;0 is small enough, the problem -Δu-μu/|x| 2 =|u| ... more ABSTRACT In this paper we show that if μ&gt;0 is small enough, the problem -Δu-μu/|x| 2 =|u| 2 * -2 u in Ω, u=0 on ∂Ω has at least catΩ-1 positive solutions, where Ω is a noncontractible bounded domain in ℝ N (N≥4) such that its boundary is smooth and 0∈Ω.
J Differential Equations, 2010
Let N⩾3N⩾3, 2*=2N/(N−2)2*=2N/(N−2). Our purpose in this paper is to consider the existence and mu... more Let N⩾3N⩾3, 2*=2N/(N−2)2*=2N/(N−2). Our purpose in this paper is to consider the existence and multiplicity of solutions of problem
Multiple existence of solutions for coupled nonlinear Schr�dinger equations
Nonlinear Anal Theor Meth App, 2008
In this paper, we consider the multiple existence of solutions of the coupled nonlinear Schroding... more In this paper, we consider the multiple existence of solutions of the coupled nonlinear Schrodinger equations
On Applications Expansion of the Stable Domain on Iterative Decodings Using Monotone Operator Theory
Ieice Transactions on Fundamentals of Electronics Communications and Computer Science, 2004
Transmitting array antenna beamforming based on linear goal programming for forward link of DS-CDMA
11Th Ieee International Symposium on Personal Indoor and Mobile Radio Communications Pimrc 2000 Proceedings, 2000
Abstract and Applied Analysis, 2004
In the case of K = D(A), we study Cauchy problems and periodic problems for nonlinear evolution e... more In the case of K = D(A), we study Cauchy problems and periodic problems for nonlinear evolution equation
Expansion of the Stable Domain on Iterative Decodings Using Monotone Operator Theory(Coding Theory)( Information Theory and Its Applications)
Ieice Transactions on Fundamentals of Electronics Communications and Computer Sciences, Oct 1, 2004
Multiple existence of solutions for a semilinear elliptic problem with Neumann boundary condition
Journal of Mathematical Analysis and Applications, 2006
The multiplicity of solutions for semilinear elliptic equations with exponential growth nonlinear... more The multiplicity of solutions for semilinear elliptic equations with exponential growth nonlinearities is treated. The approach to the problem is a variational method.
Nonlinear Analysis: Theory, Methods & Applications, 1986
Existence of non-positive solutions for a nonhomogeneous elliptic problem on ℝ N
Journal of Nonlinear and Convex Analysis, 2008
J Math Anal Appl, 2007
Let N[greater-or-equal, slanted]3, and p[set membership, variant](2,2*). Our purpose in this pape... more Let N[greater-or-equal, slanted]3, and p[set membership, variant](2,2*). Our purpose in this paper is to consider multiple existence of solutions of problem where , f[greater-or-equal, slanted]0 and f[not identical with]0.
Subharmonic and multiple subharmonic solutions for second order differential systems
Differential and Integral Equations
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Papers by Norimichi Hirano