Báo cáo hóa học: "Research Article Almost Periodic Solutions of Nonlinear Discrete Volterra Equations with Unbounded Delay" ppt

... existence of an almost periodic solution under the assumption of total stability in 2. Song and Tian 3 studied periodic and almost periodic solutions of discrete Volterra equations with unbounded ... study the existence of almost periodic solutions for nonlinear discrete Volterra equations with unbounded delay, as a discrete analogue of...

Ngày tải lên: 22/06/2014, 11:20

... by Elena Braverman The purpose of this article is to investigate the existence of almost periodic solutions of a system of almost periodic Lotka -Volterra difference equations which are a prey-predator ... existence of periodic and almost periodic solutions for nonlinear Volterra difference equations by means of K, ρ-stability conditions. Their results...

Ngày tải lên: 21/06/2014, 20:20

... solutions of subquadratic second order difference equations, ” Journal of the London Mathematical Society, vol. 68, no. 2, pp. 419– 430, 2003. [15] Z. Zhou, J. Yu, and Z. Guo, Periodic solutions of higher-dimensional ... Y of E p with codimension i(A ∞ , p). Hindawi Publishing Corporation Advances in Difference Equations Volume 2007, Article ID 41830, 13 pages doi:10.1155/20...

Ngày tải lên: 22/06/2014, 19:20

... and recessive solutions. Let Advances in Difference Equations 13 R denote the set of all positive recessive solutions of 1.1 and D denote the set of all positive dominant solutions of 1.1.FromTheorem ... Corporation Advances in Difference Equations Volume 2010, Article ID 673761, 16 pages doi:10.1155/2010/673761 Research Article Regularly Varying Solutions of Second...

Ngày tải lên: 21/06/2014, 11:20

... in Difference Equations, vol. 2007, Article ID 68023, 15 pages, 2007. 15 Y. Song and H. Tian, Periodic and almost periodic solutions of nonlinear discrete Volterra equations with unbounded delay,” ... the almost periodic case. Concerning almost automorphic solutions of difference equations, it remains to study discrete almost automorphic solutions of...

Ngày tải lên: 21/06/2014, 20:20

... sup t∈J i |ut|. 6 Advances in Difference Equations 3. The Nonlinear Problem In this section we give sufficient conditions for the existence of periodic solutions of 1.3.To this end, define the operator ... unique solution of 3.1 and the proof is complete. 2 Advances in Difference Equations In 12, the authors gave sufficient conditions for the existence of solutions for th...

Ngày tải lên: 21/06/2014, 20:20

... solutions of nonlinear functional differential equations, ” Geor- gian Mathematical Journal, vol. 6, no. 1, pp. 47–66, 1999. 20 I. Kiguradze and B. P ˚ u ˇ za, “On periodic solutions of systems of differential ... conditions of Theorem 1.2 are satisfied which guarantee the existence of at least one ω -periodic solution of 1.3 . Suppose now that u 1 and u 2 are arbitrary...

Ngày tải lên: 21/06/2014, 22:20

... Foundation of Nanjing University of Information Science and Technology no. 20070049. References 1 V. I. Arnold, “Proof of a theorem of A. N. Kolmogorov on the preservation of conditionally periodic motions ... original work is properly cited. We are concerned with the persistence of frequency of invariant tori for analytic integrable Hamiltonian system with quasiperiod...

Ngày tải lên: 21/06/2014, 11:20

... problems with sign-changing nonlinearity on time scales,” Electronic Journal of Differential Equations, vol. 2007, no. 19, pp. 1–12, 2007. 19 J. R. Graef and B. Yang, “Positive solutions of a third ... problem,” Journal of Mathematical Analysis and Applications, vol. 288, no. 1, pp. 1–14, 2003. 3 Z. Du, W. Ge, and X. Lin, “Existence of solutions for a class of third-order...

Ngày tải lên: 21/06/2014, 11:20

... pp. 438–448, 2009. 24 J. Yan, “Existence of positive periodic solutions of impulsive functional differential equations with two parameters,” Journal of Mathematical Analysis and Applications, ... investigate the existence of minimal nonnegative solution for a class of second-order nonlinear impulsive differential equations on an infinite interval with an infinite number...

Ngày tải lên: 21/06/2014, 11:20