[PDF] Top 20 El autoconcepto de adolescentes con bajo y alto desempeño escolar: un estudio descriptivo

... elliptic equations in [7], to obtain an exact indirect controllability result, in which one wants to drive back the fully coupled system to equilib- rium by controlling only one component of the ... See full document

... the boundary value problems for the general Schrödinger equation with general superlinear nonlinearity introduced in (Sun et ...the general solutions and the conditions of ... See full document

... initial boundary value ...new results, we received the regularity of solution of a classical Schr ¨odinger equation in quantum mechanics when the dimension of space n > ... See full document

... differential equations, which provide a natural description of observed evolu- tion processes, are regarded as important mathematical tools for the better understanding of several real world problems in the applied ... See full document

... the boundary- value problem for toy ...of equations includes the Belavkin quantum fil- tering equations describing the aposterior dynamics of a quantum system under continuous ... See full document

... second-order superlinear repulsive singular Neumann boundary value problems by using a nonlinear alternative of Leray-Schauder and Krasnosel’skii fixed-point theorem on compression and ... See full document

... differential equations are encountered when one applies the stochastic maximum principle to optimal stochastic control ...Such equations are also encountered in the probabilistic interpretation of a ... See full document

... [6] P. H. Rabinowitz, Minimax Methods in Critical Point Theory with Applications to Differential Equations, CBMS Regional Conference Series in Mathematics, vol. 65, Published for the Conference Board of the ... See full document

... parabolic equations with weighted ...The existence and nonexistence of global solutions, bounds for blow-up time, blow-up rate, blow-up sets and asymptotic behavior for this type of equations were ... See full document

... an existence theorem for the boundary value problem of the above fractional differential equation is proved under both Lipschitz and Carathéodory ... See full document

... few results devoted to weak solutions of nonlinear fractional differential equations ...the existence results for the boundary value problem ... See full document

... differential equations in compari- son with classical integer-order ...differential equations arise in many en- gineering and scientific disciplines as the mathematical modeling of systems and processes in the ... See full document

... such that problem (1.3) has at least two positive solutions if λ > λ ∗ , has at least one positive solution if λ = λ ∗ and has no positive solution if λ < λ ∗ relying on the lower and upper so- lutions ... See full document

... Let U be an open and bounded subset of the metric space [a, b] × E. We set U(λ) = {x ∈ E : (λ, x) ∈ U}, whose boundary is denoted by ∂U(λ). Consider a map h(λ, x) = x – k(λ, x), such that k(λ, ·) is compact and θ ... See full document

... phenomena. Many forms of these equations are possible. Some of the applications are unsteady aerodynamics and aero elastic phenomena, visco elasticity, visco elastic panel in super sonic gas flow, fluid dynamics, ... See full document

... point boundary value problem (BVP) type, which is recognized as the ‘discrete’ ...discrete boundary value problems (DBVP) will have a single ... See full document

... differential equations appears in many of the physical and engineering phenomena in the last two decades ...q-difference equations ap- peared in recent years [6] ... See full document

... The organization of this paper is as follows. In Section , we present some necessary definitions and preliminary results that will be used to prove our main results. In Section , we put forward and prove ... See full document

... The organization of this paper is as follows. In Section , we present some necessary definitions and preliminary results that will be used to prove our main results. In Section , we put forward and prove ... See full document

... differential equations used in the modeling of viscoplasticity,” in Scientifice Computing in Chemical Engineering II-Computational Fluid Dynamics, Reaction Engineering and Molecular Properties, ... See full document