The files displayed here are postscript files of the form "*.ps" or
 Adobe Acrobat PDF files of the form *.pdf

The Adobe Reader can be downloaded here.
The Ghostscript 6.5 .ps viewer can be downloaded here.

 

• (with U. Elias) Effects of varying nonlinearity and their singular perturbation flavour (pdf) ,      

J. Math. Anal. Appl., 248(2000), 309-326.

About asymptotic approximation of solutions of ODE:

• (with U. Elias) Oscillation of two-term differential equations through asymptotics,

J. Math. Anal. Appl., 186(1994), 283-305. (ps, 185K)

• (with U. Elias) Oscillation and block diagonalization,

J. Math. Anal. Appl., 199(1996), 202-212. (ps, 88K)

• (with U. Elias) Asymptotic approximation for matrix differential equations and applications,

Differential and Integral Equations, 10(1997), 137-152. (ps, 146K)
• (with U. Elias) More on asymptotic approximation and application for matrix differential equations

J. Math. Anal. Appl., 230(1999), 97-111. (pdf, 110K)