Results 21 to 30 of about 593,696 (329)

Some remarks on singular solutions of nonlinear elliptic equations. I [PDF]

open access: yes, 2009
The paper concerns singular solutions of nonlinear elliptic ...
Caffarelli, Luis   +2 more
core   +1 more source

Radially Symmetric Solutions of

open access: yesInternational Journal of Differential Equations, 2012
We investigate solutions of and focus on the regime and . Our advance is to develop a technique to efficiently classify the behavior of solutions on , their maximal positive interval of existence.
William C. Troy, Edward P. Krisner
doaj   +1 more source

On singular solutions of Lane-Emden equation on the Heisenberg group

open access: yesAdvanced Nonlinear Studies, 2023
By applying the gluing method, we construct infinitely many axial symmetric singular positive solutions to the Lane-Emden equation: ΔHu+up=0,inHn\{0}{\Delta }_{{\mathbb{H}}}u+{u}^{p}=0\left,\hspace{1.0em}\hspace{0.1em}\text{in}\hspace{0.1em}\hspace{0 ...
Wei Juncheng, Wu Ke
doaj   +1 more source

Singular standing-ring solutions of nonlinear partial differential equations

open access: yes, 2009
We present a general framework for constructing singular solutions of nonlinear evolution equations that become singular on a d-dimensional sphere, where d>1. The asymptotic profile and blowup rate of these solutions are the same as those of solutions of
Bricmont   +30 more
core   +1 more source

Singular solution to Special Lagrangian Equations

open access: yesAnnales de l'Institut Henri Poincaré C, Analyse non linéaire, 2010
We prove the existence of non-smooth solutions to three-dimensional Special Lagrangian Equations in the non-convex case. Résumé Nous démontrons l'existence de solutions singulières d'équations speciales lagrangiennes en dimension trois, dans le cas non convexe.
Nadirashvili, Nikolai, Vlăduţ, Serge
openaire   +3 more sources

Solutions of singular integral equations

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1982
Qualitative behavior of solutions of possibly singluar integral equations is studied. It includes properties such as positivity, boundedness and monotonicity of the solutions of the infinite interval.
Rina Ling
doaj   +1 more source

Elliptic Equations with Hardy Potential and Gradient-Dependent Nonlinearity

open access: yesAdvanced Nonlinear Studies, 2020
Let Ω⊂ℝN{\Omega\subset\mathbb{R}^{N}} (N≥3{N\geq 3}) be a C2{C^{2}} bounded domain, and let δ be the distance to ∂⁡Ω{\partial\Omega}. We study equations (E±){(E_{\pm})}, -Lμ⁢u±g⁢(u,|∇⁡u|)=0{-L_{\mu}u\pm g(u,\lvert\nabla u\rvert)=0} in Ω, where Lμ=Δ+μδ2 ...
Gkikas Konstantinos T., Nguyen Phuoc-Tai
doaj   +1 more source

Twin Solutions to Singular Dirichlet Problems

open access: yesJournal of Mathematical Analysis and Applications, 1999
The authors consider the Dirichlet second-order boundary value problem \[ y''+ \phi(t)[g(y(t))+ h(y(t))]= 0,\quad 0< t< 1,\quad y(0)= y(1)= 0,\tag{1} \] and establish the existence of two solutions \(y_1,y_2\in C[0,1]\cap C^2(0, 1)\) with \(y_1> 0\), \(y_2> 0\) on \((0,1)\). The nonlinearity in (1) may be singular at \(y= 0\), \(t= 0\) and/or \(t= 1\).
Agarwal, R.P., O'Regan, D.
openaire   +2 more sources

Singular solutions of fractional order conformal Laplacians

open access: yes, 2011
We investigate the singular sets of solutions of conformally covariant elliptic operators of fractional order with the goal of developing generalizations of some well-known properties of solutions of the singular Yamabe ...
Gonzalez, Maria del Mar   +2 more
core   +1 more source

Singular solutions to a quasilinear {ODE}

open access: yesAdvances in Differential Equations, 2005
7
DALBONO, Francesca   +1 more
openaire   +5 more sources

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