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期刊名称：CHAOS ISSN： 1054-1500 版本： SCI-CDE 出版频率： Monthly 出版社： AIP PUBLISHING, 1305 WALT WHITMAN RD, STE 300, MELVILLE, USA, NY, 11747-4501   出版社网址： http://www.aip.org/ 期刊网址： http://ojps.aip.org/chaos/ 影响因子： 3.642 主题范畴： MATHEMATICS, APPLIED;    PHYSICS, MATHEMATICAL 期刊简介(About the journal)    投稿须知(Instructions to Authors)    编辑部信息(Editorial Board)    About the journal   Focus and Coverage Chaos is a quarterly journal published by the American Institute of Physics and devoted to increasing the understanding of nonlinear phenomena and describing the manifestations in a manner comprehensible to researchers from a broad spectrum of disciplines. -------------------------------------------------------------------------------- Motivation and Description Historical Background In the past two decades the "new science," known popularly as "chaos," has given us deep insights into previously intractable, inherently nonlinear, natural phenomena. Building on important but isolated historical precedents (such as the work of Poincar?, "chaos" has in some cases caused a fundamental reassessment of the way in which we view the physical world. For instance, certain seemingly simple natural nonlinear processes, for which the laws of motion are known and completely deterministic, can exhibit enormously complex behavior, often appearing as if they were evolving under random forces rather than deterministic laws. One consequence is the remarkable result that these processes, although completely deterministic, are essentially unpredictable for long times. But practitioners of "nonlinear science," as "chaos" has become known among experts, recognize that nonlinear phenomena can also exhibit equally surprising orderliness. For example, certain seemingly complex nonlinear systems, involving many interacting components, can exhibit great regularity in their motion, and "coherent structures" ?such as the Red Spot of Jupiter ?can emerge from a highly disordered background. Paradigms of Nonlinear Science Researchers in this new nonlinear science have learned to recognize the seemingly contradictory manifestations of chaos and order as two fundamental features of inherently nonlinear phenomena. Indeed, "deterministic chaos" and "coherent structures" are often referred to as two "paradigms" of nonlinear science, in the sense that they represent archetypical aspects of nonlinear phenomena, independent of the conventional discipline in which they are observed. Two other "paradigms" that have emerged from recent studies of nonlinear phenomena can be termed "pattern formation, competition, and selection" and "adaptation, evolution, and learning." It is perhaps most convincing to clarify the impact of these paradigms by presenting examples of their interdisciplinary relevance. The same type of "deterministic chaos" can be observed, for example, in electrical activity from biological systems, in the transition of a fluid to turbulent motion, and in the motion of the moons of the giant planets. "Coherent structures" arise in the turbulent atmosphere of Jupiter, in giant earth ocean waves ("tsunamis"), in the spatial spread of certain epidemics, and, on a microscopic scale, in the behavior of certain unusual solid state materials. "Pattern formation, competition, and selection" occur in very similar ways in such seemingly disparate phenomena as instabilities in secondary oil recovery techniques and laser-plasma interactions in advanced technologies designed to control fusion energy. Recent attempts to isolate the conceptual, as opposed to the biological, essence of life have identified and clarified the paradigm of "adaptation, evolution, and learning" and have led to extensive studies of mathematical models of "neural networks" and to the creation of the field of "artificial life." Interdisciplinary Nature and Methodology of Nonlinear Science As these examples suggest, nonlinear science is inherently interdisciplinary, impacting upon traditional subjects ranging through all the physical and biological sciences, mathematics, engineering, and many of the social sciences, notably economics and demographics. Any attempt to circumscribe artificially the scope of nonlinear science inevitably limits the insights it can provide. Significantly, the successful pursuit of nonlinear science requires the blending of three distinct methodological approaches: "experimental mathematics," which involves the use of cleverly conceived computer-based numerical simulations to give qualitative insights into problems that are at present analytically intractable; novel and powerful analytical mathematical methods to treat functional recursion relations, to solve certain nonlinear partial differential equations, or to describe complex geometrical structures arising in chaotic systems; and high precision experimental observations of similar nonlinear phenomena in many different natural and man-made systems arising in a variety of conventional disciplines. An important illustration of both this tripartite approach and the interdisciplinary applicability of the paradigms of nonlinear science is the discovery of the metric universality in unimodular one-dimensional maps. Many physicists considered Feigenbaum's results for the universal dynamics of these maps to be a mere mathematical curiosity of no clear physical significance until Libchaber and others observed exactly the same period doubling dynamics in laboratory experiments on fluids and electric circuits. The ensuing efforts to prove various aspects of the theory rigorously have greatly stimulated large segments of the pure mathematics community. Of course, the interaction can also go in other ways; laboratory observations of new nonlinear phenomena have also stimulated and guided the development of theory and mathematical modeling. This close interaction among experimenters, theorists, and pure mathematicians is rare and refreshing in the recent age of increasingly specialized science. Chaos: An Interdisciplinary Journal of Nonlinear Science The now celebrated example of period doubling illustrates the crucial importance of transferring the developments in our understanding of nonlinear phenomena, wherever these developments occur, to other disciplines. The excitement and challenge of the journal, Chaos: An Interdisciplinary Journal of Nonlinear Science, lie in its interdisciplinary character and its firm committment to communicating the most recent developments in nonlinear science to the research community at large. We welcome contributions from physics, mathematics, chemistry, biology, engineering, economics, and social sciences, as well as other disciplines in which inherently nonlinear phenomena are of interest and importance. Further, we always seek a balance among the methods of computation, theory, and experiment, to reflect properly the tripartite methodology which has proved essential to the progress of nonlinear science. Finally, Chaos has grown to be truly international in character, again mirroring the field itself. Uniqueness of Chaos Chaos is a peer-reviewed research journal but with some unorthodox elements relative to typical journals. Besides front-line research papers, letters, and brief reports, Chaos includes solicited technical reviews and deliberately pedagogical articles of broad appeals. The Editors of Chaos take an active role in developing the content and, together with the AIP, seek to assure its comprehensibility, as well as relevance and quality. Importantly, approximately every other issue of Chaos is a special "Focus" issue. These issues are intended to provide a critical introduction and overview of a particular topic, suitable as an introduction to nonspecialists but also of value to experts in the area. To ensure timely publication of other articles, only about 60% of the articles in a "Focus" issue are devoted to the focal topic, with the remaining articles dealing with other areas of nonlinear science. In addition, each article in Chaos is preceded by a "lead paragraph" targeted at the non-specialist reader. This paragraph provides a sense of the context of the work and conveys the primary results, but in language that is accessible to the journal's broad interdisci Instructions to Authors Where to Submit Your Manuscript Submit manuscripts via Peer X-Press, the journal's online manuscript submission system, located at http://chaos.peerx-press.org. Author instructions are available through a link after you successfully log into Peer X-Press. After registering and submitting information and files, you may use Peer X-Press to check on the status of your manuscript throughout the peer review process. A cover letter should specify authors, title, Journal, corresponding author's e-mail address, and any special requests. Unless otherwise stated, submission of a manuscript will be understood to mean that the paper has been neither copyrighted, classified, published, nor is being considered for publication elsewhere. A duly signed transfer of copyright agreement form is required for publication in this journal. No claim is made to original U.S. Government works. Upload a signed AIP Transfer of Copyright Agreement Form when submitting your original or revised manuscript to the journal's online submission site (http://chaos.peerx-press.org). See Editorial Office contact information below. Although the journal carries no regular page charge, for any regular published article that exceeds 12 journal pages, a mandatory $150 page fee will be added for each page in excess of 12 pages. For additional information, follow this link to Publication Charges. Contact the Editorial Office Contact the Chaos Editorial Office at: Janis Bennett Chaos Editorial Office American Institute of Physics Suite 1NO1, 2 Huntington Quadrangle Melville, NY 11747-4502, USA Telephone: 516-576-2403 Fax: 516-576-2223 E-mail: chaos@aip.org Statement of Ethics and Responsibilities of Authors Submitting to AIP Journals This journal is published as part of the charter of its publisher, the American Institute of Physics (AIP), to advance and diffuse knowledge of the science of physics and its applications to human welfare. To that end, it is essential that all who participate in producing the journal conduct themselves as authors, reviewers, editors, and publishers in accord with the highest level of professional ethics and standards. A detailed statement of what this journal expects is available here. By submitting a manuscript to this journal, each author implicitly confirms that it meets the highest ethical standards. Open Access Through participation in Author Select?/SUP>, authors may choose open access for their published articles. By supporting both publication and archiving costs through payment of a $1500 fee, authors may instruct the journal to provide free online access to their published article, in perpetuity, to any online user. A subscription to the online journal will not be required to access full-text versions of these open access articles. See details about Author Select and look for information during manuscript submission. Accepted Manuscripts Authors whose manuscripts have been accepted for publication will receive correspondence informing them of the issue for which it is tentatively scheduled. Date of publication may be before the cover date of the issue. Authors of accepted manuscripts may access publication data for their manuscripts online through AIP’s AMSIS service. Proofs and all subsequent correspondence pertaining to papers in the production process should be addressed to: Editorial Supervisor Chaos American Institute of Physics Suite 1NO1, 2 Huntington Quadrangle Melville, NY 11747-4502, USA Telephone: 516-576-2384 Fax: 631-396-0060 E-mail: cha@aip.org Reference must be made to the AIP identification number (e.g., 001901CHA), title, author, and scheduled issue date. A limited number of alterations in proof are unavoidable, but the cost of making extensive alterations after the article has been typeset may be charged to the author. Please do not address correspondence about proofs, reprints, artwork, color printing charges, etc., to the Editorial Office. To do so simply delays the appropriate action and response. Through AIP’s Accepted Manuscript Status Inquiry System (AMSIS), authors may access information about significant milestones for their accepted manuscript during the production process at AIP. AMSIS can be used only by authors of accepted manuscripts; authors will use Peer X-Press to monitor their submitted manuscript during peer review. General information regarding publication and color charges, copyrights, and similar material may be found on the inside front cover of each printed issue. How to Prepare Your Manuscript English-Language Editing. Journals published by the American Institute of Physics (AIP) are not able to provide free English-language editing services to authors, but those services are available to authors from several commercial vendors, including American Journal Experts (http://www.journalexperts.com) and SPi Professional Editing Services (http://www.prof-editing.com). Interested authors should contact these service providers directly. Since the AIP Journals have not used either of these commercial services, we cannot attest to the quality of their work. For general format and style, consult recent issues of the Journal. Link to the journal’s General Editorial Policies here. The Manuscript, including the abstract, references, and captions, should be set up for 21.6 x 28 cm (8-1/2 x 11 in. or A4) paper with ample margins. It should be carefully proofread by the author to eliminate typographical errors and, more importantly, it is essential that the motivations, central results, and conclusion be stated in a nontechnical manner that is intelligible to a broad audience. The manuscript must be in good scientific American English; this is the author's responsibility. Number all pages in single sequence. The title page should contain the title of the article, the names of the authors, a suitable byline, and a short abstract. Parts of the manuscript should be arranged in the following order: title, author, affiliation, abstract, text, acknowledgments, appendices, and references. The Title should be as concise as possible but informative enough to facilitate information retrieval. The Abstract should be self-contained (contain no footnotes). It should be adequate as an index (giving all subjects, major and minor, about which new information is given) and as a summary (giving the conclusions and all results of general interest in the article). It should be about 5% of the length of the article, but less than 500 words. The abstract should be written as one paragraph and should not contain displayed mathematical equations or tabular material. Authors' names should preferably be written in a standard form for all publications to facilitate indexing and avoid ambiguities. Beginning on 1 January 2009, authors with Chinese, Japanese, or Korean names may choose to have their names published in their own language alongside the English versions of their names in the author list of their publications. For Chinese, authors may use either Simplified or Traditional characters. Chinese, Japanese, or Korean characters must be included within the author list of the manuscript when submitting or resubmitting. The manuscript must be prepared using Microsoft Word or using the CJK LaTeX package. Specific guidelines for each authoring tool are given here. To ensure that we have processed the manuscript files correctly, you must proof the PDF of the manuscript as produced by the Peer X-Press system on first submission. In addition, it is essential that you check carefully any production proofs you receive prior to the publication of your paper. The first paragraph of the article should be a Lead Paragraph and will be highlighted in the journal in boldface type. This paragraph, which essentially advertises the main points of the article, must describe in terms accessible to the nonspecialist reader the context and significance of the research problem studied and the importance of the results. The Editors will pay special attention to the clarity and accessibility of this paragraph, and in many cases may rewrite it. Equations should be punctuated and aligned to bring out their structure and numbered on the right. Mathematical operation signs indicating continuity of the expression should be placed at the left of the second and succeeding lines. Use ?rather than a centered dot, except for scalar products of vectors. The solidus (/) should be used instead of built-up fractions in running text, and in display wherever clarity would not be jeopardized. Use "exp" for complicated exponents. Notation must be legible, clear, compact, and consistent with standard usage. All unusual symbols whose identity may not be obvious must be identified the first time they appear, and at all subsequent times when confusion might arise. Superscripts are normally set directly over subscripts; authors should note where readability or the meaning requires a special order. References and footnotes should be in the form shown in recent issues of this journal. They should be given in a double-spaced list at the end of the text. The names, including initials, of all authors in each reference should be given (in the text, the use of et al. is permissible). For footnotes to title and bylines use a), b), c), etc. Avoid lengthy footnotes by inserting them in the text, except for the references. References within tables should be designated by lowercase Roman letter superscripts and given at the end of the table. References to books and journal articles, listed at the end of the paper, are to be in one of these three formats: By number, in the order of first appearance, giving the names of the authors, the journal name, volume, year, and first page number only, as in: 19V. Bargmann, Proc. Natl. Acad. Sci. USA 38, 961 (1952). This paper will be listed as the 19th in the list of references and cited as 19. In alphabetical order according to the first author’s last name, giving, in addition to the name, volume, year, and first and last page, also the title of the paper cited, as in: Bargmann, V., “On the number of bound states in a central field of force,?Proc. Natl. Acad. Sci. USA 38, 961?66 (1952). This paper will be cited as “Bargmann (1952).?If there are several papers by the same author(s) and the same year, they should be distinguished by letters, as in (1952a). Alternatively, the alphabetically listed references (with full titles and pagination) may be numbered according to their alphabetical order and cited by their number. Every article has to be consistent in the use of one of these three citation styles; they should not be mixed. Separate Tables (numbered with Roman numerals in the order of appearance in the text) should be used for all but the simplest tabular material; they should have captions that make the tables intelligible without reference to the text. The structure should be clear, with simple column headings giving all units. Unaltered computer output and notation are generally unacceptable. Author Guidelines For Multimedia Submissions Multimedia files can be included in the online version of published papers. These multimedia files can be viewed by simply clicking on a link in the paper, provided the reader has a video player, such as Windows Media PlayerTM, QuickTime PlayerTM, or RealOne PlayerTM installed. Please adhere to the following guidelines when preparing multimedia files for submission: When incorporating multimedia, note that the paper should be written so that the print version can be understood on its own. Submit all multimedia files initially with the manuscript. Treat all multimedia files as figures, numbered in sequence as they are referred to in text. (Multimedia files will not have a numbering scheme separate from the figures.) All multimedia files must be cited in the text, referred to by their figure number. For each multimedia file, provide a figure, which is a static representation of the multimedia file. Also provide an accompanying caption. At the end of the caption, include the phrase, "(enhanced online)." Video and other enhanced files should be in a format that the majority of readers can view without too much difficulty. See the multimedia guidelines below for specific submission requirements. Video Submissions Acceptable file formats include QuickTime nonstreaming video (.qt or .mov), MPEG (.mpg), and DV (.dv). The preferred formats are .mov and .mpg. Details about each of these file formats are outlined below. Note that AVI files are no longer a recommended file format, because the wide variety of AVI codecs cannot be reliably archived. Authors must insert a representative “still?image, taken from the video, in the manuscript as a figure. This still image is not intended to convey meaning about the content of the video; rather it will be used as a static representation of the video file, which will be linked online after acceptance. Care should be taken to extract an image from the video which has reasonable clarity of fine lines and details. Acceptable file formats for still images are JPEG (.jpg) and GIF (.gif). Audio Submissions Acceptable file formats include PCM (.pcm), WAV (.wav), AIFF (.aif), and MP3 (.mp3) at 128 KB or greater. General Guidelines for All Multimedia Submissions Authors are strongly encouraged to adhere to the following guidelines when preparing multimedia files: The acceptable file formats outlined above are playable using standard media players, such as QuickTime and Windows Media Player. Media players should be used to check file properties and image/sound quality prior to submission. For video submissions, fonts, lines, and image details should be of sufficient size and weight to be visible when played at half size. Attention should be paid to the file size to make download time reasonable since streaming formats are not acceptable for submission at this time. A recommended target size for each multimedia file is 3? MB. Authors are encouraged to use one of the accepted compression codecs to minimize file sizes. Animations must be formatted into a standard video file. Multimedia Metadata Authors will be asked to provide some information about their multimedia files. A caption or description of the content of the media file is required (similar to a typical figure caption). Additional metadata as outlined below will also be requested. This information is optional. Metadata Elements: Caption / description: Textual caption/description of the content of media object. Required. Type: The nature or genre of the content of the media, such as video or audio. Optional. Format: This should describe the media filetype, such as QuickTime, DV, MPEG, PCM, or WAV. Optional. Duration: This is the duration of the media object playing time, in units of seconds. It is applicable to video or audio media. Optional. Frame size: For video only (not still images), the size of the video image, as height ?width in pixels. Optional. Producer: Information about the software used to create the media object. It should include the name and version of the software (e.g., Adobe Premiere Elements v. 2.0). Optional. Multimedia Detailed Specifications Acceptable Video File Formats: QuickTime nonstreaming (.qt or .mov) 24 bit (millions) color Video Compressor/Codec Uncompressed/None Animation Motion JPEG (MJPEG) DV-NTSC DV-PAL Audio 48,000 samples per second 16 bit Uncompressed/PCM Stereo or Mono MPEG Video Compressor/Codec MPEG2 (.mpg) MPEG4 (.mpg or .mp4) Video data rate 6 MB or greater Audio 48,000 samples per second 16 bit Uncompressed (PCM) or MPEG Audio at 224 KB or greater DV (.dv) DV NTSC DV PAL NTSC Video Parameters: Image size (H:V) 720:480 pixels Frame rate 29.97 frames per second PAL Video Parameters: Image size (H:V) 720:576 pixels Frame rate 25 frames per second Acceptable Audio File Formats: PCM, WAV, AIFF, MP3 (at 128 KB or greater) Audio Parameters 44,100 or 48,000 samples per second 16 bit Stereo or Mono Supplemental Material Electronic Physics Auxiliary Publication Service (EPAPS) is an electronic depository for material that is supplemental to a journal article. Appropriate items for deposit include multimedia (e.g., movie files, audio files, 3D rendering files), data tables, and text (e.g., appendices) that are too lengthy or of too limited interest for inclusion in the printed journal. Retrieval instructions are footnoted in the related published paper. Prominent links in the online journal article allow users to navigate directly to the associated EPAPS deposit. EPAPS deposits may also be retrieved by users free of charge via the EPAPS homepage. Authors are encouraged to deposit multimedia files with EPAPS. All deposits to EPAPS must be approved by the Journal Editor as part of a manuscript's normal review cycle. Obtain deposit forms from the Chaos Editorial Office. For additional information about depositing or retrieving EPAPS files, see the EPAPS homepage. Free Color Online If authors supply usable color graphics files in time for the production process, color will appear in the online journal free of charge. A usable color graphics file must be in one of the following formats: Encapsulated PostScript (.eps), PostScript (.ps), Tagged Image File Format (.tif) and Portable Document Format (.pdf). No other type of color illustration is acceptable, and only one version of each graphics file will be accepted. In order to maintain online color as a free service to authors, the journal cannot accept multiple versions of the same graphics file. Authors may not submit two versions of the same illustration (e.g., one for color and one for black & white). When preparing illustrations that will appear in color in the online journal and in black & white in the printed journal, authors must ensure that: (i) colors chosen will reproduce well when printed in black & white and (ii) descriptions of figures in text and captions will be sufficiently clear for both print and online versions. This is the author’s responsibility. If usable color graphics files are received in time for the production process, authors will see color versions of those illustrations when viewing their author proofs. (The Corresponding Author will receive e-mail notification from AIP when the proof, as a PDF file, is available for downloading.) At the proof stage, authors must insert the phrase, "(Color online)," into the captions of figures that will appear in color in the online journal and in black & white in the printed journal. This is the author’s responsibility. An example of an amended figure caption appears below: FIG. 10. (Color online) Experimental (dotted curve) and simulated (solid curve) x-ray diffraction spectra. Authors who want color figures in the printed journal must request this at the time of submission and must indicate which figures they feel have essential color. For figures for which the editors agree that the color is essential, the fees for printing the illustrations in color will be waived. Color is deemed "essential" if its use (compared to monochrome) allows the author to present a significant amount of additional, important information to the reader, or if it makes it significantly easier for the reader to interpret and understand the important information in the figure. The editors will assume that all color figures submitted without an explicit request to be printed in color are intended by the authors to be published in color in the online journal but in monochrome in the printed journal. For all other color figures, authors or their institutions must bear the cost of any color they wish to use in the printed version of their papers. See information about color printing charges here. How to Prepare Your Illustrations Please adhere to the following guidelines when preparing your illustrations for submission: General Guidelines for Preparing Illustrations: Number figures in the order in which they appear in text. Label all figure parts with (a), (b), etc. Avoid any large disparity in size of lettering and labels used within one illustration. Prepare illustrations in the final published size, not oversized. The maximum published width for a one-column illustration is 3-3/8 inch (8.5 cm). Each illustration should be prepared for 100% reproduction in order to avoid problems arising from large reductions in size. In cases where reduction is required, avoid small open symbols that tend to fill in and avoid small lettering; ensure that, in the final published illustration, there is a minimum of 8-point type size (2.8 mm high; 1/8 inch high) for lettering and 0.5-point width for lines. Ensure that lettering and lines are dark enough, and thick enough, to reproduce clearly, especially if reduction is necessary. Remember that fine lines tend to disappear upon reduction. Additional Guidelines for Preparation of Electronic Graphics Files: Acceptable formats: PostScript (.ps), Encapsulated PostScript (.eps, using either Arial or Times Roman fonts), or Tagged Image File Format (.tif, lzw compressed), or Portable Document Format (.pdf). When submitting your manuscript, submit ALL illustrations for your paper, including line art. Make sure there is only ONE figure per file. Each figure file should contain all parts of the figure. For example, if Figure 1 contains three parts (a, b, c), then all parts should be combined in a single file for Figure 1. Set the correct orientation for each graphics file. Settings: Set the graphic for 600 dpi resolution for line art, 264 dpi for halftones, and 600 dpi for combinations (line art + halftone). Save line art as black/white bitmap, not grayscale. Save halftones and combinations as grayscale, not black/white bitmap. Submit color files at 300 dpi TIFF, PS, or EPS format. If selecting a file mode, use CMYK (cyan, magenta, yellow, black) or RGB (red, green, blue). Special Instructions for Creating a Production-Ready PDF Illustration: For accepted manuscripts, PDF as the source file for illustrations is not preferred. However, properly prepared PDF illustration files may be used in the production process of your accepted manuscript if you adhere to the following guidelines: PDF should only be used as the source file for illustrations when the preferred formats (PS, EPS, or TIF) cannot be generated. In the PDF illustration, the resolution of any shaded or photographic images must be 600 pixels per inch (PPI). Within the PDF illustration, resolution of line art with no shading should be 1200 pixels per inch (PPI). All fonts must be embedded in the PDF. When creating a PDF through your application's print command, select "High Quality Print". Link to more detailed instructions here. Manuscript Preparation Checklist Use this checklist to avoid the most common mechanical errors in submitted manuscripts: Number all pages in single sequence. Include a "lead" paragraph. Type references in one of the three acceptable styles used by this journal. Submit cover letter, manuscript file, illustration files, and any supplemental files via Peer X-Press, the journal’s online submission system, located at http://chaos.peerx-press.org. The original figures must be in the final published size, not oversized. Upload a signed AIP Transfer of Copyright Agreement Form when submitting your original or revised manuscript to the journal's online submission site (http://chaos.peerx-press.org). A blank copyright form is available here. Editorial Board Editors Editor-in-Chief David K. Campbell Boston University, Boston, MA Consulting Editors Qi Ouyang Peking University, Beijing, China Sudeshna Sinha Institute of Mathematical Sciences, Taramani, Chennai, India Editors F. Tito Arecchi, Istituto Nazionale di Ottica, Florence, Italy Stefano Boccaletti, CNR–Istituto dei SistemiComplessi, Florence, Italy Elizabeth Bradley, University of Colorado at Boulder, Boulder, CO Leonid Bunimovich, Georgia Institute of Technology, Atlanta, GA William L. Ditto, University of Florida, Gainesville, FL Robert E. Ecke, Los Alamos National Laboratory, Los Alamos, NM Irving R. Epstein, Brandeis University, Waltham, MA Mitchell J. Feigenbaum, Rockefeller University, New York, NY Leon Glass, McGill University, Montréal, Québec, Canada John L. Hudson, University of Virginia, Charlottesville, VA Jürgen Kurths, University of Potsdam, Potsdam, Germany Anatoly I. Neishtadt, Space Research Institute, Moscow, Russia and Loughborough University, UK Yasumasa Nishiura, Hokkaido University, Sapporo, Japan Lev A. Ostrovsky, Zel Technologies, University of Colorado, Boulder, CO, and Institute of Applied Physics, RAS, Nizhny Novgorod, Russia Louis M. Pecora, Naval Research Laboratory, Washington, DC Kenneth Showalter, West Virginia University, Morgantown, WV Charles P. Tresser, on disability leave from IBM