Search Results - "Weissler Fred B."
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Standing waves of the complex Ginzburg–Landau equation
Published in Nonlinear analysis (01-07-2014)“…We prove the existence of nontrivial standing wave solutions of the complex Ginzburg–Landau equation ϕt=eiθΔϕ+eiγ|ϕ|αϕ+kϕ on a bounded domain with Dirichlet…”
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Well-posedness, global existence and large time behavior for Hardy–Hénon parabolic equations
Published in Nonlinear analysis (01-03-2017)“…In this paper we study the nonlinear parabolic equation ∂tu=Δu+a|x|−γ|u|αu,t>0,x∈RN∖{0},N≥1,a∈R,α>0,0<γ<min(2,N) and with initial value u(0)=φ. We establish…”
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3
The local theory for viscous Hamilton–Jacobi equations in Lebesgue spaces
Published in Journal de mathématiques pures et appliquées (2002)“…We consider viscous Hamilton–Jacobi equations of the form (VHJ) u t−Δu=a|∇u| p, x∈ R N, t>0, u(x,0)=u 0(x), x∈ R N, where a∈ R , a≠0 and p⩾1. We provide an…”
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The nonlinear heat equation involving highly singular initial values and new blowup and life span results
Published in Journal of elliptic and parabolic equations (01-04-2018)“…In this paper we prove local existence of solutions to the nonlinear heat equation u t = Δ u + a | u | α u , t ∈ ( 0 , T ) , x = ( x 1 , … , x N ) ∈ R N , a =…”
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Large Time Behavior of Solutions to the Nonlinear Heat Equation with Absorption with Highly Singular Antisymmetric Initial Values
Published in Advanced nonlinear studies (01-05-2020)“…In this paper, we study global well-posedness and long-time asymptotic behavior of solutions to the nonlinear heat equation with absorption,…”
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Self-Similar Subsolutions and Blowup for Nonlinear Parabolic Equations
Published in Journal of mathematical analysis and applications (01-08-1997)“…For a wide class of nonlinear parabolic equations of the formut−Δu=F(u,∇u), we prove the nonexistence of global solutions for large initial data. We also…”
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An equation whose Fujita critical exponent is not given by scaling
Published in Nonlinear analysis (15-02-2008)“…In this paper, we prove sharp blow up and global existence results for a heat equation with nonlinear memory. It turns out that the Fujita critical exponent is…”
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The nonlinear heat equation with high order mixed derivatives of the Dirac delta as initial values
Published in Transactions of the American Mathematical Society (01-01-2014)“…<< As an application, we prove the existence of initial values u_0 = \lambda f0 --> \lambda ]]>> (Ghoul (2011), (2012)).]]>…”
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Rapidly decaying solutions of the nonlinear Schrödinger equation
Published in Communications in mathematical physics (01-06-1992)Get full text
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10
A Fujita-type blowup result and low energy scattering for a nonlinear Schrödinger equation
Published in São Paulo Journal of Mathematical Sciences (01-12-2015)“…In this paper we consider the nonlinear Schrödinger equation i u t + Δ u + κ | u | α u = 0 . We prove that if α < 2 N and I κ < 0 , then every nontrivial H 1…”
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Global existence and blowup for sign-changing solutions of the nonlinear heat equation
Published in Journal of Differential Equations (01-04-2009)“…In this paper, given 0 < α < 2 / N , we prove the existence of a function ψ with the following properties. The solution of the equation u t − Δ u = | u | α u…”
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12
On the structure of global solutions of the nonlinear heat equation in a ball
Published in Journal of mathematical analysis and applications (15-12-2009)“…In this paper, we consider the nonlinear heat equation (NLH) u t − Δ u = | u | α u , in the unit ball Ω of R N with Dirichlet boundary conditions, in the…”
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13
New life-span results for the nonlinear heat equation
Published in Journal of Differential Equations (15-11-2023)“…We obtain new estimates for the existence time of the maximal solutions to the nonlinear heat equation ∂tu−Δu=|u|αu,α>0 with initial values in Lebesgue,…”
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SPECTRAL PROPERTIES OF STATIONARY SOLUTIONS OF THE NONLINEAR HEAT EQUATION
Published in Publicacions matemàtiques (01-01-2011)“…In this paper, we prove that if Ψ is a radially symmetric, signchanging stationary solution of the nonlinear heat equation (NLH) ut – Δu = |u|αu, in the unit…”
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15
Asymptotically self-similar global solutions of the nonlinear Schrödinger and heat equations
Published in Mathematische Zeitschrift (01-05-1998)Get full text
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Spatial decay and time-asymptotic profiles for solutions of Schroedinger equations
Published in Indiana University mathematics journal (2006)Get full text
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Nonparabolic Asymptotic Limits of Solutions of the Heat Equation on $${\mathbb{R}}^N
Published in Journal of dynamics and differential equations (20-10-2007)Get full text
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A solution of the constant coefficient heat equation on R with exceptional asymptotic behavior: An explicit construction
Published in Journal de mathématiques pures et appliquées (2006)“…In this paper, we construct a solution of the one-dimensional heat equation on R which has the following properties: Given any 0 < μ < 1 , there exists a…”
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Spatial Decay and Time-asymptotic Profiles for Solutions of Schrödinger Equations
Published in Indiana University mathematics journal (01-01-2006)“…In this paper, we study the relationship between the long time behavior of a solution eitΔφ of the Schrödinger equation on ℝN and the asymptotic behavior as…”
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Asymptotically self-similar global solutions of a general semilinear heat equation
Published in Mathematische annalen (01-09-2001)Get full text
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