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Where to find fractals*.

Where to Find Fractals "Fractals", the term coined by IBM mathematician Benoit Mandelbrot for branching, twisting organic shapes found in nature and/or generated by computers from certain equations, are now a computer "hot topic". To keep you abreast of recent developments in this field, we've compiled a list of resources in this column.

Some new fractal journals include The Journal of Chaos and Graphics, a new occasional journal covering all sorts of mathematically based visual wildness, edited by a leading researcher. Subscriptions available from Clifford Pickover, editor, Journal of Chaos and Graphics, IBM T.J. Watson Research Center, Yorktown Heights, NJ 10598. Amygdala, a newsletter for people interested in the Mandelbrot Set, includes short articles, reviews of fractal generating software, and a fractal bibliography. From Rollo Silver, editor, Amygdala, Box 219, San Cristobal, NM 87564. Frontiers of Chaos, from Computer Art Resources, P.O. Box 2069, Mill Valley, CA 90942. Try Mandelbrot Sets & Julia Sets, from Art Matrix, Box 880, Ithaca, NY 14851. (Art Matrix is also the leading vendor of such high resolution M-Set color graphics as videos, slides, photoprints, and postcards. It also produces work on commission and develops and sells software. The company's motto: "A fractal in every paw."

New texts: The Beauty of Fractals, by Heinz Otto Peitgen and P.H. Richter. Seventy dazzling color pictures and more in black and white, plus mathematical background. From Springer Verlag, Inc., 44 Hartz Way, Secaucus, NJ 07904. Growth Morphogenesis, by Yoichiro Kawaguchi. Discusses fractals used to create fantastic biomorphs, with text on his techniques and computer system. From JICCUSA, 3540 Wilshire Blvd., Suite 406, Los Angeles, CA 90010.

Recent articles: "Fractal Arts--Combining Music, Math, and Art," by Brian Evans, in The Futurist, May-June 1988. Discover how a University of Illinois doctoral student used "Marie Sets" to create a music animation piece that used an algorithm to generate sound and visual materials in Portraits of Equations, by Ivars Peterson. Read a discussion of graphics generated by IBM mathematician Clifford A. Pickover in such areas as dynamical systems and transcendental functions in Science News (September 19, 1987).

Subjects being considered for future columns include neural nets, hypertext, and chaos theory.

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Title Annotation:Sig news
Author:Kagen, Norman
Publication:Communications of the ACM
Date:Jan 1, 1989
Words:361
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