Free sample articles newly available from International Journal of Dynamical Systems and Differential Equations

The following sample articles from the International Journal of Dynamical Systems and Differential Equations are now available here for free:

• Null controllability of semilinear delay control systems
• Existence of positive solutions for a fourth-order differential equation with p-Laplacian and Riemann-Stieltjes integral boundary conditions
• The appropriate expression and non-uniqueness of solution for impulsive Katugampola fractional order system
• The limit cycles of a class of discontinuous piecewise differential systems
• Pseudo periodicity and pseudo almost periodicity in shifts δ± on time scales