Subject: Re: CCL:Multi-time scale integration.

From: Eberhard von Kitzing <[email-masked]>
Date: Wed, 16 Sep 1998 14:42:57 +0200

Dear Don Steiger,

At 14:14 Uhr -0500 13.09.1998, Don Steiger wrote:
>In the literature on multi-time scale integration, a lot of importance is
>placed
>on time reversibility.  Why this is so important is something that I have
>never
>been able to figure out.  If an integration algorithm is efficient and
>produces
>a small global error then why is this not sufficient.  If anybody can
>enlighten
>me on this subject I would appreciate it.

Because Newton's equations of motions are invariant under time reversal
any integrator should reproduce this behavior which is closely
related to energy conservation.

======================================================================

Eberhard von Kitzing

Max-Planck-Institut fuer Medizinische Forschung
Jahnstr. 29
D 69115 Heidelberg
Germanny

email: [email-masked]
WWW: http://sunny.mpimf-heidelberg.mpg.de/people/vkitzing/