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Of the American Mathematical Society October 2018 Volume 65, Number 9

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ISSN 0002-9920 (print) ISSN 1088-9477 (online) of the American Mathematical Society October 2018 Volume 65, Number 9 The On-Line Encyclopedia of Integer Sequences page 1062 AMS Fall Western Sectional Sampler page 1076 Statistics on Women Mathematicians page 1096 Baltimore Meeting—JMM 2019 page 1163 Attend the AMS 2019 JMM Social at the Maryland Science Center Guests will enjoy the evening at this Baltimore destination with access to exhibits and hands-on displays. Join us for live music, various food 2019 AMS stations, interactive activities, and “Until Next Time” Social the opportunity to connect with 7:00 pm-9:30 pm enthusiastic members of the mathematics community. It is a Maryland Science Center, great chance to wish your colleagues 601 Light Street, Located in Baltimore Inner well “until next time”! Harbor 0.6 miles from the Convention Center A limited number of tickets will be available at a special price for students! P h o t o free shuttle c o u r t We are pleased to provide a e s y free shuttle service. Shuttle service will o f M pick up guests every 10-15 minutes begin- a ry l ning at 6:45 pm from both the Hilton an d Baltimore and Baltimore Convention Sc ie nc Center. Return shuttle service will pick e C en up guests at the Maryland Science Center ter. beginning at 7:30 pm and return guests to the Baltimore Convention Center and Hilton Baltimore. Accessible shuttle service will be available. Purchase your tickets when registering for the 2019 Joint Mathematics Meetings at: jointmathematicsmeetings.org. Notices of the American Mathematical Society October 2018 FEATURED 1062684 1076 261088 The On-Line Encyclopedia AMS Fall Western Geometry Labs United: of Integer Sequences Sectional Sampler An Invitation Jayadev Athreya, David Dumas, Neil J. A. Sloane Srikanth B. Iyengar, Sarah William Goldman, Sergey Grigorian, Witherspoon, and Abdul-Aziz Yakubu Rosemary Guzman, Philipp Hieronymi, Sean Lawton, Anton Lukyanenko, Jeremy Tyson, and Aaron Wilson “This is wonderful.... It will be read by thousands for many years to come,” wrote one editor upon seeing Neil Sloane’s article The On-Line Encyclopedia of Integer Sequences. The sequences and related unsolved problems are fascinating. This article alone will so stimulate your hunger for math that you will want to register immediately for the January 2019 Joint Mathematics Meetings in Baltimore. Meanwhile, you can enjoy the lecture samplers herein for this month’s Western Sectional at San Francisco State. We’ve also got an interview with Juan Meza, the new director for the Division of Mathematical Sciences at the National Science Foundation. —Frank Morgan, Editor-in-Chief JMM 2019: GRADUATE STUDENT SECTION 1115 Mathematical Sciences Employment Center in 1084 Ruth Haas Interview Baltimore Alexander Diaz-Lopez 1131 AMS Short Course in Baltimore 1086 WHAT IS...a Rectifi able Set? 1163 Baltimore Meeting Special Section 1165 Program Announcements 1200 Baltimore City Map 1201 Program Timetable at a Glance FROM THE AMS SECRETARY 1215 Baltimore Meeting Registration Forms 1096 Statistics on Women Mathematicians, Compiled ALSO IN THIS ISSUE by the AMS 1108 Report of the AMS Treasurer—2017 1098 Book Review: Reverse Mathematics Carl Mummert 1127 Call for Suggestions for 2019 Elections 1104 Interview with NSF DMS Director Juan Meza Robert L. Bryant Notices AMS / MAA Press of the American Mathematical Society NEVER A DULL MOMENT HASSLER WHITNEY, MATHEMATICS PIONEER Keith Kendig, Cleveland State University, OH IN EVERY ISSUE 1107 e Back Page 1118 Mathematics People 1124 Mathematics Opportunities 1128 Inside the AMS 1134 Classifi ed Advertising 1140 New Publications Off ered by the AMS 1149 Meetings and Conferences of the AMS Cover: National Aquarium, Inner Harbor, Baltimore, Maryland, USA. Credit: Glowimages. Courtesy of Getty Images. This biography is a revealing portrait of a fascinat- ing personality and a titan of twentieth-century mathematics, Hassler Whitney. Whitney is prob- ably best known for introducing the grandfather EDITOR'S NOTE. of today’s innumerable embedding theorems— his strong embedding theorem stating that any smooth manifold can be smoothly embedded in a Euclidean space of twice the manifold’s dimension. Jean-Pierre Bourguignon This in turn led to several standard techniques kindly sent us this color ver- used every day in algebraic topology. Whitney sion of a photo we ran in “Ad also established the fundamentals of graph the- Honorem Claire Voisin” in ory, the four-color problem, matroids, extending the April 2018 Notices. The smooth functions, and singularities of smooth photo was taken at the con- functions. He almost never used complicated tech- ference at IHÉS for his 60th nical machinery, so most of his work is accessible to a general reader with a modest mathematical birthday by Jean-François background. Dars. Spectrum, Volume 93; 2018; approximately 381 pages; Softcover; ISBN: 978-1-4704-4828-8; List US$60; AMS Individual member US$45; MAA members US$45; Order code SPEC/93 This title is now available for pre-order at bookstore.ams.org/spec-93 Notices of the American Mathematical Society EDITOR-IN-CHIEF CONTACTING THE NOTICES Frank Morgan SUBSCRIPTION INFORMATION ASSOCIATE EDITORS Subscription prices for Volume 65 (2018) are US$662 list; Benjamin Braun, US$529.60 institutional member; US$397.20 individual mem- Alexander Diaz-Lopez, Thomas Garrity, Joel Hass, ber; US$595.80 corporate member. (The subscription price for Stephen Kennedy, Florian Luca, Steven J. Miller, members is included in the annual dues.) A late charge of 10% of Harriet Pollatsek, Carla Savage (ex officio), the subscription price will be imposed upon orders received from Cesar E. Silva, Christina Sormani, Daniel J. Velleman non-members after January 1 of the subscription year. Add for CONSULTANTS postage: Surface delivery outside the United States and India— John Baez, Hélène Barcelo, Ricardo Cortez, Jerry Folland, US$27; in India—US$40; expedited delivery to destinations in Tara Holm, Kenneth A. Ribet North America—US$35; elsewhere—US$120. Subscriptions and orders for AMS publications should be addressed to the ASSISTANT to the EDITOR-IN-CHIEF American Mathematical Society, PO Box 845904, Boston, MA Sophia D. Merow 02284-5904 USA. All orders must be prepaid. MANAGING EDITOR Rachel L. Rossi ADVERTISING ADVERTISING COORDINATOR Notices publishes situations wanted and classified advertising, Anne Newcomb and display advertising for publishers and academic or scientific organizations. Advertising requests, materials, and/or questions REPRINT PERMISSIONS should be sent to: Erin M. Buck [email protected] (classified ads) CONTRIBUTOR [email protected] (display ads) Elaine Kehoe PERMISSIONS COMPOSITION, DESIGN, and EDITING All requests to reprint Notices articles should be sent to: Brian Bartling, John Brady, Anna Hattoy, Lori Nero, [email protected] Karen Ouellette, Rebecca Rivard, Courtney Rose, Deborah Smith, Mike Southern, Peter Sykes SUBMISSIONS The editor-in-chief should be contacted about articles for Supported by the AMS membership, most of this publication, consideration after potential authors have reviewed the “For including the opportunity to post comments, is freely available Authors” page at www.ams.org/publications/journals/notices/ electronically through the AMS website, the Society’s resource noticesauthors. for delivering electronic products and services. Use the URL The managing editor should be contacted for additions to our www.ams.org/notices/ to access the Notices on the website. The news sections and for any questions or corrections. Contact the online version of the Notices is the version of record, so it may managing editor at: [email protected] occasionally differ slightly from the print version. Letters to the editor should be sent to: The print version is a privilege of Membership. Graduate students [email protected] at member institutions can opt to receive the print magazine by updating their individual member profiles at http://www.ams. Additions to the Math Calendar should be submitted at: org/member-directory. For questions regarding updating www.ams.org/cgi-bin/mathcal/mathcal-submit.pl your profile, please call 800-321-4267. To make suggestions for additions to other sections, and for For back issues see www.ams.org/backvols. Note: Single issues full contact information, see www.ams.org/publications/ of the Notices are not available after one calendar year. journals/notices/noticescontact [Notices of the American Mathematical Society (ISSN 0002-9920) is published monthly except bimonthly in June/July by the American Mathematical Society at 201 Charles Street, Providence, RI 02904-2213 USA, GST No. 12189 2046 RT****. Periodicals postage paid at Providence, RI, and additional mailing offices. POSTMASTER: Send address change notices to Notices of the American Mathematical Society, P.O. Box 6248, Providence, RI 02904-6248 USA.] Publication here of the Society’s street address and the other bracketed information is a technical requirement of the US Postal Service. © Copyright 2018 by the American Mathematical Society. All rights reserved. Printed in the United States of America. The paper used in this journal is acid-free and falls within the guidelines established to ensure permanence and durability. Opinions expressed in signed Notices articles are those of the authors and do not necessarily reflect opinions of the editors or policies of the American Mathematical Society. The On-Line Encyclopedia of Integer Sequences Neil J. A. Sloane 1062 Notices of the AMS Volume 65, Number 9 Introduction The OEIS® (or On-Line Encyclopedia of Integer Sequences®)1 is a freely accessible database of number sequences, now in its 54th year, and online since 1995. It contains over 300, 000 entries, and for each one gives a definition, properties, references, computer programs, tables, etc., as appropriate. It is widely referenced: a webpage2 lists over 6, 000 works that cite it, and often say things like “this theorem would not exist without the help of the OEIS.” It has been called one of the most useful mathematical sites in the Web.
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