Results 21 to 30 of about 592,249 (330)

On singular solutions of a multidimensional differential equation of Clairaut-type with power and exponential functions

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2019
In the theory of ordinary differential equations, the Clairaut equation is well known. This equation is a non-linear differential equation unresolved with respect to the derivative.
Liliya Leonidovna Ryskina
doaj   +1 more source

Subharmonic Solutions in Singular Systems

open access: yesJournal of Differential Equations, 1996
The authors consider the problem of bifurcation of periodic solutions in singular systems of differential equations \[ \varepsilon\dot{u}=f(u)+\varepsilon g(t,u,\varepsilon)\quad u\in\mathbb{R}^n, \] where \(g(t+2,u,\varepsilon)=g(t,u,\varepsilon)\) and \(\dot{u}=f(u)\) has an orbit \(\gamma(t)\) homoclinic to a hyperbolic equilibrium point \(p\).
Battelli, Flaviano, Fečkan, Michal
openaire   +2 more sources

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

A Nonhomogeneous Boundary Value Problem for Steady State Navier-Stokes Equations in a Multiply-Connected Cusp Domain

open access: yesMathematics, 2021
The boundary value problem for the steady Navier–Stokes system is considered in a 2D multiply-connected bounded domain with the boundary having a power cusp singularity at the point O.
Kristina Kaulakytė   +1 more
doaj   +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

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

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 to a quasilinear {ODE}

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

Singular Solutions to Monge-Ampère Equation

open access: yesAnalysis in Theory and Applications, 2022
We construct merely Lipschitz and $C^{1,α}$ with rational $α ∈ (0, 1 − 2/n]$ viscosity solutions to the Monge-Ampère equation with constant right hand side.
Caffarelli, Luis A., Yuan, Yu
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

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