Resonance Problems for a Class of Singular Elliptic Equations

2002 ◽  
Vol 81 (6) ◽  
pp. 1265-1282
Author(s):  
K. Sreenadh
1990 ◽  
Vol 33 (2) ◽  
pp. 169-180 ◽  
Author(s):  
Juan A. Gatica ◽  
Gaston E. Hernandez ◽  
P. Waltman

The boundary value problemis studied with a view to obtaining the existence of positive solutions in C1([0, 1])∩C2((0, 1)). The function f is assumed to be singular in the second variable, with the singularity modeled after the special case f(x, y) = a(x)y−p, p>0.This boundary value problem arises in the search of positive radially symmetric solutions towhere Ω is the open unit ball in ℝN, centered at the origin, Γ is its boundary and |x| is the Euclidean norm of x.


Author(s):  
Virginia De Cicco ◽  
Daniela Giachetti ◽  
Francescantonio Oliva ◽  
Francesco Petitta

2017 ◽  
Vol 20 (01) ◽  
pp. 1750012 ◽  
Author(s):  
Nam Q. Le

We use the method of sliding paraboloids to establish a Harnack inequality for linear, degenerate and singular elliptic equation with unbounded lower order terms. The equations we consider include uniformly elliptic equations and linearized Monge–Ampère equations. Our argument allows us to prove the doubling estimate for functions which, at points of large gradient, are solutions of (degenerate and singular) elliptic equations with unbounded drift.


2006 ◽  
Vol 65 (3) ◽  
pp. 601-614
Author(s):  
Friedemann Brock ◽  
Leonelo Iturriaga ◽  
Pedro Ubilla

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