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OTICES OF THE AMERICAN MATHEMATICAL SOCIETY Hoboken Meeting (October 21-22) page 1011 Muncie Meeting (October 27-28) page 1021 OCTOBER 1989, VOLUME 36, NUMBER 8 Providence, Rhode Island, USA ISSN 0002-9920 Calendar of AMS Meetings and Conferences This calendar lists all meetings which have been approved prior to Mathematical Society in the issue corresponding to that of the Notices the date this issue of Notices was sent to the press. The summer which contains the program of the meeting. Abstracts should be sub and annual meetings are joint meetings of the Mathematical Associ mitted on special forms which are available in many departments of ation of America and the American Mathematical Society. The meet mathematics and from the headquarters office of the Society. Ab ing dates which fall rather far in the future are subject to change: this stracts of papers to be presented at the meeting must be received is particularly true of meetings to which no numbers have been as at the headquarters of the Society in Providence, Rhode Island, on signed. Programs of the meetings will appear in the issues indicated or before the deadline given below for the meeting. Note that the below. First and supplementary announcements of the meetings will deadline for abstracts for consideration for presentation at special have appeared in earlier issues. sessions is usually three weeks earlier than that specified below. For Abstracts of papers presented at a meeting of the Society are pub additional information, consult the meeting announcements and the lished in the journal Abstracts of papers presented to the American list of organizers of special sessions. Meetings Abstract Program Meeting# Date Place Deadline Issue 851 • October 21-22, 1989 Hoboken, New Jersey Expired October 852 • October 27-28, 1989 Muncie, Indiana Expired October 853 • November 18-19, 1989 Los Angeles, California Expired November 854 • January 17-20, 1990 Louisville, Kentucky October 11 December t (96th Annual Meeting) 855 • March 16-17, 1990 Manhattan, Kansas December 12 February 856 • March 23-24, 1990 Fayetteville, Arkansas December 12 February 857 • April 7-8, 1990 University Park, Pennsylvania January 25 March 858 • April 19-22, 1990 Albuquerque, New Mexico January 25 March 859 • August 8-11, 1990 Columbus, Ohio May 18 July I August (93rd Summer Meeting) November 2-3, 1990 Denton, Texas January 16-19, 1991 San Francisco, California (97th Annual Meeting) August 8-11, 1991 Orono, Maine (94th Summer Meeting) January 8-11 , 1992 Baltimore, Maryland (98th Annual Meeting) June 29-July 1, 1992 Cambridge, England (Joint Meeting with the London Mathematical Society) January 13-16, 1993 San Antonio, Texas (99th Annual Meeting) January 5-8, 1994 Cincinnati, Ohio (100th Annual Meeting) • Please refer to page 1083 for listing of special sessions. t Housing deadline is November 17 Conferences June 7-July 4, 1990: Joint Summer Research Conferences in July 1990: AMS Summer Research Institute on Differential the Mathematical Sciences, University of Massachusetts at Geometry, location to be announced. Amherst, Massachusetts. January 16-17, 1989: AMS Short Course on Mathematical June/July 1990: AMS-Siam Summer Seminar on Vortex Questions in Robotics, Louisville, Kentucky. Dynamics and Vortex Methods, location to be announced. Deadlines December Issue January Issue February Issue March Issue Classified Ads• Oct 27, 1989 Nov 27, 1989 Jan 10, 1990 Feb 8, 1990 News Items Nov 2, 1989 Nov 27, 1989 Jan 2, 1990 Feb 9, 1990 Meeting Announcements•• • Oct 23, 1989 Nov 20, 1989 Dec 21, 1989 Jan 29, 1990 • Please contact AMS Advertising Department for an Advertising Rate Card for display advertising deadlines. •• For material to appear in the Mathematical Sciences Meetings and Conferences section. OTICES OF THE AMERICAN MATHEMATICAL SOCIETY ARTICLES DEPARTMENTS 981 Modeling the Aids Epidemic: Mathematical Techniques Provide 979 LeHers to the Editor Qualitative Insights 1003 News and Announcements Mathematical models are useful in predicting the course of the AIDS epidemic and in understanding what measures are effective in stemming 1007 Funding Information for the its spread. This article describes the work of a group at Los Alamos Mathematical Sciences National Laboratories, whose models incorporate the social aspects of 1009 Meetings and Conferences the spread of the AIDS virus. of the AMS (Listing) 1090 1989 AMS Elections Candidates Election Information 1091 Mathematical Sciences Meetings and Conferences FEATURE COLUMNS 1100 New AMS Publications 1101 AMS Reports and Communications 984 Computers and Mathematics Jon Barwise Recent Appointments, 11 01 This month's column contains three reviews, one of APL *PLUS PC and Reports of Past Meetings, 1101 two of Milo. The two reviews of the same product are included in this column to illustrate the importance of perspective in the outcome of a 1105 Miscellaneous review. Also included is an informal exposition of some work of Gregory Personal Items, 11 05 Chaitin. Deaths, 11 05 Visiting Mathematicians (Supplement), 1106 1001 Washington Outlook Application Deadlines, 11 08 This month's column, written by Hans J. Oser, provides an overview of current events on Capitol Hill of interest to Notices readers. 1110 New Members of the AMS 1112 Classified Advertising 1131 Forms OCTOBER 1989, VOLUME 36, NUMBER 8 977 Chaos and Fractals The Mathematics Behind the Computer Graphics Robert L. Devaney and Linda Keen, Editors AMERICAN MATHEMATICAL SOCIETY This volume contains the proceedings of a highly successful AMS Short Course on Chaos and Fractals, held during the AMS Centennial Celebration in Provi dence, Rhode Island, in August, 1988. EDITORIAL COMMITTEE Chaos and fractals have been the subject of great interest in recent years and Robert J. Blattner, Michael G. Crandall Robert M. Fossum (Chairman) have proven to be useful in a variety of areas of mathematics and the sciences. Lucy J. Garnett, D. J. Lewis The purpose of the Short Course was to provide a solid introduction to the Nancy K. Stanton, Robert E. L. Turner mathematics underlying the notions of chaos and fractals. The papers in this book range over such topics as dynamical systems theory, Julia sets, the Man INTERIM MANAGING EDITOR delbrot set, attractors, the Smale horseshoe, calculus on fractals, and applica James W. Maxwell tions to data com presion. ASSOCIATE EDITORS Aimed at beginning graduate students, college and university mathematics in Ronald L. Graham, Special Articles structors, and non-mathematics researchers, this book provides readable exposi Jeffrey C. Lagarias, Special Articles tions of several exciting topics of contemporary research. SUBSCRIPTION INFORMATION 1980 Mathematics Subject Classifications: 58; 30, 51, 34, 39 Subscription prices for Volume 36 (1989) are 208 pages, July 1989 hardcover $1081ist; $86 institutional member; $65 individual ISBN 0-8218-0137-6, ISSN 0160-7634, LC 89-7003 member. (The subscription price for members is List $31, Inst Mcm $25, Indiv Mem $19 Included in the annual dues.) A late charge of To order, please use order code: PSAPM/39NA 10% of the subscription price will be imposed upon orders received from nonmembers after January 1 of the subscription year. Add for post age: Surface delivery outside the United States and lndia-$1 0; to lndia-$20; expedited deliv ery to destinations in North America-$15; else where-$38. Subscriptions and orders for AMS publications should be addressed to the Amer ican Mathematical Society, P.O. Box 1571, An nex Station, Providence, Rl 02901-9930. All or ders must be prepaid. ADVERTISING Special Combination Book and Videotape Offer ISBN 0-8218-0142-2 Notices publishes situations wanted and classi PSAPM/39NA (above) and VIDDEVANEY /NA (below) List $70, Inst Mem $64, Indiv Mem $58 fied advertising, and display advertising for pub To order, please use order code: CHAOSSET/NA lishers and academic or scientific organizations. Copyright @ 1989 by the American Mathemat ical Society. All rights reserved. Printed in the Now Available through the AMS United States of America. CHAOS, FRACTALS AND DYNAMICS: The paper used in this journal is acid-free and falls within the guidelines established to ensure Computer Experiments in Mathematics permanence and durability. €9 Most of this publi with Robert L. Devaney cation was typeset using the TEX typesetting sys A Science Television Production tem. In this captivating and richly illustrated videotape, Robert Devaney communi [Notices of the American Mathematical Society is cates his deep understanding as well as his enthusiasm for chaos, fractals, and published ten times a year (January, February, dynamical systems. As an instructional tool, this videotape will be particularly March, April, May/June, July/August, Septem ber, October, November, December) by the Amer useful because it describes a current area of intense mathematical activity. ican Mathematical Society at 201 Charles Street, Though the mathematical background required is elementary, those at the Providence, Rl 02904. Second class postage paid collegiate level and beyond will appreciate this videotape for the clarity of at Providence, Rl and additional mailing offices. exposition and the sheer beauty of the graphics. POSTMASTER: Send address change notices to Notices of the American Mathematical Society, 19~0 Mathematics Subject Classification: 58 VHS format, approx one hour, 1989 Pnce $59 To order, please use order code: VIDDEVANEY/NA Membership and Sales Department, American Mathematical Society, P. 0.