In this article we prove existence of positive solutions for the nonlinear elliptic equation ℳ λ,Λ + (D 2 u)-γu+f(u)=0inΩ,u=0on∂Ω, where ℳ λ,Λ + denote Pucci’s extremal operator with parameters 0<λ≤Λ and Ω is convex smooth ...

In this paper we derive the time-independent integral for a nonlinear dissipative system, namely the modified Emden equation, from Lie point symmetries. We employ the recently introduced λ-symmetries method [C. Muriel, ...

After a short introduction to the nonmesonic weak decay (NMWD) ΛN→nN of Λ-hypernuclei we discuss the long-standing puzzle on the ratio Γn/Γp, and some recent experimental evidences that signalized towards its final solution. ...

We elevate λ-deformed σ-models into full type-II supergravity backgrounds. We construct several solutions which contain undeformed AdSn spaces, with n=2,3,4 and 6, as an integrable part. In that respect, our examples are ...

In this paper, we establish a multiplicity result of nontrivial weak solutions for the problem (- Δ) αu+ u= h(u) in Ω λ, u= 0 on ∂Ω λ, where Ω λ= λΩ , Ω is a smooth and bounded domain in RN, N> 2 α, λ is a positive parameter, ...

After a short introduction to the nonmesonic weak decay (NMWD) ΛN→nN of Λ-hypernuclei we discuss the long-standing puzzle on the ratio Γn/Γp, and some recent experimental evidences that signalized towards its final solution. ...

In this work we prove the existence of ground state solutions for the following class of problems {-Δ1u+(1+λV(x))u|u|=f(u),x∈RN,u∈BV(RN),where λ> 0 , Δ 1 denotes the 1-Laplacian operator which is formally defined by ...

A list Λ = {λ1, λ2, …, λn} of complex numbers is said to be realizable, if it is the spectrum of a nonnegative matrix A, and in this case, A is called a realizing matrix, Λ is said diagonalizably realizable (DR) if it is ...