[PDF] Top 20 Desarrollo de objetos virtuales de aprendizaje (OVA) para el apoyo y enseñanza de hábitos en el consumo del agua del río Bogotá

... The rest of the paper is arranged as follows. In Sect. 2, we present the Lie point symme- tries of Eq. (4). In Sect. 3, the similarity reductions are made, exact solutions are consid- ered by means of the Lie group ... See full document

... the conservation of energy-momentum. This derivation of equation 76a, unfortunately, is a red ...between symmetries and conservation ...more symmetries (16 linear or 20 affine ...fewer ... See full document

... the conservation laws of PDEs which are of interest, ...Liouville equation and the discrete sine-Gordon ...the conservation laws employed here follows that introduced in ...Noether ... See full document

... The Lie symmetry method was initiated by Lie [] in the second half of the nineteenth cen- tury. It has become one of the most powerful methods to study nonlinear partial differen- tial equations (NLPDEs). The core idea ... See full document

... continuous symmetries of the Lagrangian and conservation ...find conservation laws, we are forced to consider transformations that do not leave the non-Hermitian part of the Lagrangian ... See full document

... point symmetries and Lie– Bäcklund transformation symmetries of system ...many symmetries, similarity reductions, and conservation laws were obtained by Lie group analysis ...new ... See full document

... Buckmaster equation is expressed in the coordinates (t, x, u), so the problem of reduction this equation is to search for its form in specific ...has two independent variables, then this ... See full document

... part of one parameter symmetry groups of these equations tur ns out to be their var iational symmetries. According to Noether theorem [5, 6] such as invariance of the elementary action is a necessary and ... See full document

... point symmetries, exact solutions and conservation laws of the K-S ...the conservation laws of the K-S equation by adding Bluman-Anco homotopy formula to the direct ... See full document

... With the development of soliton theory, super integrable systems associated with fermi variables have been receiving growing attention. Various methods have been developed to search for new super integrable systems, Lax ... See full document

... Making these distinctions helps reveal why Brown will not make a method- ological mistake. Brown will basically divide the explanation into a length contraction part and a (possibly null) stability/effects of ... See full document

... recently, Zeng and Yao [] further introduced a new extragradient method for finding a common element of the set of fixed points of a nonex- pansive mapping and the set of solutions of a variational ... See full document

... point symmetries of Pois- son and heat equations and study into universal Riemannian space the Lie point symmetries of Klein Gordon equation and Schrodinger ...Lie symmetries of Klein Gordon ... See full document

... If X is a real Hilbert space, then GSVI () was introduced and studied by Ceng et al. []. In this case, for A = B, it was considered by Verma [] (see also []). Further, in this case, when x ∗ = y ∗ , problem () ... See full document

... [20] A. H. Khater, D. K. Callebaut and S. M. Sayed, “Conser- vation Laws for Some Nonlinear Evolution Equations which Describe Pseudo-Spherical Surfaces,” Journal of Geometry and Physics, Vol. 51, No. 3, 2004, pp. ... See full document

... in equation 6, there results an equilibrium shape which is consistent with a constant enclosed volume, membrane cross-sectional area (length in 2D), membrane preferred curvature and interfacial tension, which may ... See full document

... and two arrays to store elemental and nodal times respectively, no extra storage nor new arrays are required over traditional explicit Newmark ...a short routine computing the positions of the nodes at the ... See full document

... sine-Gordon equation (SGE) are equivalent to one another through a chain of ...The two-kink and kink-antikink solutions of the SGE also lead to multi-valued solutions of the SPE but they are not travelling ... See full document

... The flow of gas in pipes can be divided into two situa- tions. One is that no heat is exchanged between gas in pipeline and the soil, the other is that the heat is totally transferred, which means the temperature ... See full document

... are two kinds of methods: one of them belongs to the “certain type”, where a problem is expressed by differential equation(s) (integral equation, ... See full document