Proceedings
of
The 6'th Colloquium on the Qualitative Theory of Differential Equations
(August 10--14, 1999, Szeged, Hungary)

• G. Bognár: Finite element approximation of the first eigenvalue of a nonlinear problem for some special domain, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 1. (2000), pp. 1-12.
• J. Cermák: Asymptotic behaviour of solutions of some differential equations with an unbounded delay, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 2. (2000), pp. 1-8.
• A. Domoshnitsky and Ya. Goltser: Hopf bifurcation of integro-differential equations, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 3. (2000), pp. 1-11.
• Z. Dosla, M. Cecchi and M. Marini: Disconjugate operators and related differential equations, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 4. (2000), pp. 1-17.
• O. Dosly: Principal and nonprincipal solutions of symplectic dynamic systems on time scales, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 5. (2000), pp. 1-14.
• V. Dragan and A. Ionita: Exponential stability for singularly perturbed systems with state delays, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 6. (2000), pp. 1-8.
• V. Dragan and T. Morozan: Exponential stability for a class of singularly perturbed It\^{o} differential equations, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 7. (2000), pp. 1-13.
• Á. Elbert and F. V. Atkinson: An extension of Milloux's theorem to half-linear differential equations, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 8. (2000), pp. 1-10.
• M. Feckan: Transversal homoclinics in nonlinear systems of ordinary differential equations, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 9. (2000), pp. 1-8.
• T. Furumochi and T. A. Burton: Periodic and asymptotically periodic solutions of neutral integral equations, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 10. (2000), pp. 1-19.
• L. Hatvani: On stability properties of solutions of second order differential equations, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 11. (2000), pp. 1-6.
• J. Hegedűs: On the radially symmetric solutions of a BVP for a class of nonlinear elliptic partial differential equations, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 12. (2000), pp. 1-16.
• Y. Hino and S. Murakami: Total stability in abstract functional differential equations with infinite delay, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 13. (2000), pp. 1-9.
• J. Karsai and J. R. Graef: On the oscillation of impulsively damped halflinear oscillators, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 14. (2000), pp. 1-12.
• T. Krisztin: Periodic orbits and the global attractor for delayed monotone negative feedback, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 15. (2000), pp. 1-12.
• G. Makay: On some possible extensions of Massera's theorem, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 16. (2000), pp. 1-8.
• V. Maric: Regularity, nonoscillation and asymptotic behaviour of solutions of second order linear equations, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 17. (2000), pp. 1-15.
• R. Marik: Hartman-Wintner type theorem for PDE with p-Laplacian, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 18. (2000), pp. 1-7.
• N. Medvedeva and E. Batcheva: The second term of the asymptotics of the monodromy map in case of two even edges of the Newton diagram, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 19. (2000), pp. 1-15.
• S. Murakami, T. Naito and N. V. Minh: Spectral analysis of an operator associated with linear functional differential equations and its applications, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 20. (2000), pp. 1-15.
• H. Péics: Representation of solutions of difference equations with continuous time, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 21. (2000), pp. 1-8.
• P. Polacik and E. Yanagida: Stable subharmonic solutions and asymptotic behavior in reaction-diffusion equations, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 22. (2000), pp. 1-10.
• V. Rasvan and D. Danciu: On Popov-type stability criteria for neural networks, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 23. (2000), pp. 1-10.
• P. Rehak: Half-linear discrete oscillation theory, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 24. (2000), pp. 1-14.
• A. Rontó: A note on the periods of periodic solutions of some autonomous functional differential equations, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 25. (2000), pp. 1-15.
• S. Schwabik: The abstract renewal equation, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 26. (2000), pp. 1-12.
• R. Srzednicki: On geometric detection of periodic solutions and chaotic dynamics, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 27. (2000), pp. 1-11.
• S. Stanek: Boundary value problems for systems of second-order functional differential equations, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 28. (2000), pp. 1-14.
• V. Tkachenko: On reducibility of linear quasiperiodic systems with bounded solutions, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 29. (2000), pp. 1-11.
• Bo Zhang: Construction of Liapunov Functionals for linear Volterra Integrodifferential equations and stability of delay systems, E. J. Qualitative Theory of Diff. Equ., Proc. 6'th Coll. Qualitative Theory of Diff. Equ., No. 30. (2000), pp. 1-17.