Báo cáo hóa học: " Research Article Fixed Points and Stability in Neutral Stochastic Differential Equations with Variable Delays" pot

... Ht  n j1 h j t. Hindawi Publishing Corporation Fixed Point Theory and Applications Volume 2008, Article ID 407352, 11 pages doi:10.1155/2008/407352 Research Article Fixed Points and Stability in Neutral Stochastic Differential ... point approach to the stability of a Volterra integral equation,” Fixed Point Theory and Applications, vol. 2007, Article I...

Ngày tải lên: 21/06/2014, 23:20

... 2.33 Hindawi Publishing Corporation Fixed Point Theory and Applications Volume 2010, Article ID 195916, 14 pages doi:10.1155/2010/195916 Research Article Fixed Points and Stability in Nonlinear Equations ... Stability by fixed point theory or Liapunov theory: a comparison,” Fixed Point Theory, vol. 4, no. 1, pp. 15–32, 2003. 2 B. Zhang, Fixed points and stabi...

Ngày tải lên: 21/06/2014, 11:20

... Corporation Fixed Point Theory and Applications Volume 2009, Article ID 809232, 14 pages doi:10.1155/2009/809232 Research Article Fixed Points and Stability o f the Cauchy Functional Equation in C ∗ -Algebras Choonkil ... 1989. 23 L. C ˘ adariu and V. Radu, Fixed points and the stability of Jensen’s functional equation,” Journal of Inequalities in Pure and A...

Ngày tải lên: 22/06/2014, 11:20

... of approximately linear mappings by linear mappings,” Journal of Functional Analysis, vol. 46, no. 1, pp. 126–130, 1982. [21] L. C ˘ adariu and V. Radu, Fixed points and the stability of Jensen’s ... cited. 1. Introduction and preliminaries The stability problem of functional equations originated from a question of Ulam [2] concerning the stability of group homomorphisms: let...

Ngày tải lên: 22/06/2014, 19:20

... t ∈ T and ut|xtptxδt Δ | α−1 xtptxδt Δ ,and this includes all the equations 1.1–1.5 as special cases. Hindawi Publishing Corporation Advances in Difference Equations Volume ... Equations Volume 2011, Article ID 513757, 14 pages doi:10.1155/2011/513757 Research Article Oscillation Criteria for Second-Order Neutral Delay Dynamic Equations with...

Ngày tải lên: 21/06/2014, 05:20

... establishing an in nite delay difference inequality with impulsive initial conditions and using the properties of “-cone,” we obtain the attracting and invariant sets of the equations. 2. Preliminaries Consider ... of impulsive in nite delay difference equations with continuous variables is considered. By establishing an in nite delay difference inequality with impulsive initia...

Ngày tải lên: 21/06/2014, 20:20

... and λ ∈ 0, 1. 3. Fixed Points of w-Contractive-Type Maps In 21 the authors introduced the concept of w-distance in metric spaces which they connected to the existence of fixed point of single ... L ρ .Let{f n } and {g n } be sequences in L ρ , and let {α n } and {β n } be sequences in 0, ∞ converging to 0, and f, g, h ∈ L ρ . Then the following hold: 1 if pf n ,...

Ngày tải lên: 21/06/2014, 20:20

... vol. 5 of Notes and Reports in Mathematics in Science and Engineering, Academic Press, New York, NY, USA, 1988. 2 H. Amann, Fixed point equations and nonlinear eigenvalue problems in ordered Banach ... J. Sun and Z. Zhao, Fixed point theorems of increasing operators and applications to nonlinear integro-differential equations with discontinuous terms,” Journal of Math...

Ngày tải lên: 21/06/2014, 20:20

... lower semicontinuous. Then FixT /  ∅. Hindawi Publishing Corporation Fixed Point Theory and Applications Volume 2009, Article ID 487161, 9 pages doi:10.1155/2009/487161 Research Article Fixed Points ... . Using the concept of w-distance, they improved Caristi’s fixed point theorem, Ekland’s variational principle, and Takahashi’s existence theorem. In 6, Susuki and Tak...

Ngày tải lên: 22/06/2014, 11:20

... x p and x q contribute two copies of b to fb. We conclude that there are U fixed points remaining in C −{x 0 }. None of the remaining fixed points in C −{x 0 } are equivalent. Let x s ∈ b k s and ... note that since, in the fa1 case, all fixed points of f lie in C, then the fixed point sets of f and of πf C consist of the same points. Moreover, the fixed point index of ea...

Ngày tải lên: 22/06/2014, 11:20