DAI-List Digest Tuesday, 5 February 1991 Issue Number 23 Topics: Technical Report Available Please send submissions to DAI-List@mcc.com. Send other requests, such as changes in your e-mail address, to DAI-List-Request@mcc.com. ------------------------------------------------------------------------ Date: Tue, 5 Feb 1991 10:29:03 PST From: Bernardo Huberman Subject: New Report available We have a new paper available, entitled "Computational Ecosystems in a Changing Environment" by N. Glance, T. Hogg and B. A. Huberman, Xerox PARC, Palo Alto, CA. 94304. The abstract reads as follows: We study the adaptive behavior of a computational ecosystem in the presence of time-periodic resource utilities as seen, for example, in the day-night load variations of computer use and in the price fluctuations of seasonal products. We do so within the context of the Huberman-Hogg model of such systems. The dynamics is studied for the cases of competitive and cooperative payoff functions with time-modulated resource utilities, and the system's adaptability is measured by tracking its performance in response to a time-varying environment.