[PDF] Top 20 Coledocolitiasis recurrente en pacientes sometidos a PCRE en el Hospital Nacional Arzobispo Loayza 2014 2017

... C exp−δ|z| for 0 < δ < 2, then we can show that 1.1 admits at least three positive solutions in an exterior domain. First, in Section 3, we use the concentration-compactness argument of Lions ... See full document

... an exterior domain (m = 0 in our case), Zhu and Zhou [18] and Zhu [17] established the existence of multiple positive solutions of equations with structure unlike that ...an exterior ... See full document

... the elliptic systems with subcritical or critical exponents, and they proved the existence of a least energy positive solution or the existence of at least two positive solutions for these ... See full document

... sign-changing weights in bounded domains, see Ambrosetti et al. 6 , Garcia Azorero et al. 7 , Brown and Wu 8 , Brown and Zhang 9 , Cao and Zhong 10 , de Figueiredo et al. 11 , and their references. However, little ... See full document

... general domains instead of the exterior domains, and second, we prove that λ ∗ is finite, and third, we also obtain the behavior of the two solutions on (0, λ ∗ ) and some bifurcation results ... See full document

... a positive solution at (0, μ) for all 0 < μ ≤ μ ∗ and no solution at (0, μ) for all μ > μ ∗ ...a positive solution at (λ, 0) for all 0 < λ ≤ λ ∗ and no solution at (λ, 0) for all λ > λ ∗ ... See full document

... In this paper, a class of semilinear elliptic systems which have a strong resonance at the first eigenvalue on the Heisenberg group is considered.. This is an Open Access article distribu[r] ... See full document

... Semilinear elliptic equations are key building blocks of several important models in science and engineering, and as a consequence, there is a considerable amount of math- ematical research on the subject ... See full document

... parabolic problems are also of great interest in reaction-diffusion theory; see 5–7 where the approach to existence and blow-up for evolution systems with integral terms may be ... See full document

... eigenvalue problems with semipositone structure has been documented to be mathematically challenging (see [, ]), yet a rich history is devel- oping starting from the s (see [–]) until recently (see ... See full document

... We study the existence of bounded solutions to the elliptic system −∆ p u = f (u, v) +h 1 in Ω, −∆ q v = g(u, v) + h 2 in Ω, u = v = 0 on ∂Ω, non-necessarily potential systems. The method used is a shooting ... See full document

... In the present paper, our research is mainly related to (1.1) with 1 < q < p < N, the critical exponent and weight functions f, g that change sign on Ω. When p = 2, 1 < q <2, μ ∈ [0, μ) ¯ , f, g are sign ... See full document

... have been studied by Ambrosetti et al. [1] (h ≡ 1, and 1 <q < 2 <p ≤ 2* = 2N/(N- 2)) and Wu [2]h ∈ C( ¯ ) and changes sign, 1 <q < 2 <p < 2*). They proved that this equa- tion has at least two ... See full document

... since this problem is set on R  . To recover the difficulty, some references use the radially symmetric function space, which possesses a compact embedding; see []. In our paper, we have the integrability of k and the ... See full document

... p(x)-Laplacian problems are more complicated than those of p-Laplacian ones, many results and methods for p-Laplacian problems are invalid for p(x)-Laplacian problems (see [6]), and another di ffi ... See full document

... A boundary-value problem for a semilinear elliptic equation in a convex ring is con- sidered. Under suitable structural conditions, any classical solution u lying between its (constant) boundary values is ... See full document

... where a > 0. Our method is the Schauder-Tikhonov fixed point theory. The exis- tence and uniqueness of this initial problem is important to prove our main result. In Section 3, we will give the proof of our main ... See full document

... up solutions are the main questions addressed and resolved in this dis- ...ing solutions to boundary value ...blow-up solutions is examined not only for semilinear elliptic equations, ... See full document

... solutions of (.) for γ ≥ . By establishing a comparison principle, Corrêa et al. [] proved the existence of positive solutions to (.) also for γ = . Under the assumption that A(x, u) (which is ... See full document

... 1.10 possesses infinitely many solutions. More recently, Tarantello 5 proved that if p 2N/N − 2 is the critical Sobolev exponent and f ∈ H −1 satisfying suitable conditions, then 1.10 admits two solutions. ... See full document