ISSN 0002-9920 (print) ISSN 1088-9477 (online) of the American Mathematical Society August 2017 Volume 64, Number 7 The Mathematics of Gravitational Waves: A Two-Part Feature page 684 The Travel Ban: Affected Mathematicians Tell Their Stories page 678 The Global Math Project: Uplifting Mathematics for All page 712 2015–2016 Doctoral Degrees Conferred page 727 Gravitational waves are produced by black holes spiraling inward (see page 674). American Mathematical Society LEARNING ® MEDIA MATHSCINET ONLINE RESOURCES MATHEMATICS WASHINGTON, DC CONFERENCES MATHEMATICAL INCLUSION REVIEWS STUDENTS MENTORING PROFESSION GRAD PUBLISHING STUDENTS OUTREACH TOOLS EMPLOYMENT MATH VISUALIZATIONS EXCLUSION TEACHING CAREERS MATH STEM ART REVIEWS MEETINGS FUNDING WORKSHOPS BOOKS EDUCATION MATH ADVOCACY NETWORKING DIVERSITY blogs.ams.org Notices of the American Mathematical Society August 2017 FEATURED 684684 718 26 678 Gravitational Waves The Graduate Student The Travel Ban: Affected Introduction Section Mathematicians Tell Their by Christina Sormani Karen E. Smith Interview Stories How the Green Light was Given for by Laure Flapan Gravitational Wave Research by Alexander Diaz-Lopez, Allyn by C. Denson Hill and Paweł Nurowski WHAT IS...a CR Submanifold? Jackson, and Stephen Kennedy by Phillip S. Harrington and Andrew Gravitational Waves and Their Raich Mathematics by Lydia Bieri, David Garfinkle, and Nicolás Yunes This season of the Perseid meteor shower August 12 and the third sighting in June make our cover feature on the discovery of gravitational waves stirring and profound. Later in the issue, James Tanton tells you how to prepare for Global Math Week, coming in October. Enjoy the summer while you can. —Frank Morgan, Editor-in-Chief FROM THE AMS SECRETARY ALSO IN THIS ISSUE 711 Voting Information for 2017 AMS Election 712 T e Global Math Project: Uplifting Mathematics for All James Tanton and Brianna Donaldson COMMENTARY 727 2015–2016 Doctoral Degrees Conferred 761 Interview with Michèle Audin 676 Letters to the Editor Allyn Jackson 682 Opinion: International Mobility 772 T e “ Wide Infl uence” of Leonard Eugene Dickson and US Mathematics Della Dumbaugh and Amy Shell-Gellasch Moon Duchin 779 Ellenberg in Gifted 709 Opinion: Post-Quantum Cryptography: Allyn Jackson A New Opportunity and Challenge Jintai Ding and Daniel Smith-Tone 758 Book Review: One Hundred Twenty-One Days John McCleary Notices A MERICAN M ATHEMATICAL S OCIETY of the American Mathematical Society GRADUATE STUDIES IN MATHEMATICS180 Advanced Modern Algebra Third Edition, Part 2 Joseph J. Rotman Pre-order your copy at IN EVERY ISSUE American Mathematical Society 764 Inside the AMS 766 Mathematics Opportunities bookstore.ams.org/gsm-180 768 Mathematics People 778 BookShelf TEXTBOOK AdvancedTEXTBOOKS 781 Classified Advertising FROM THE AMS 783 Mathematics Calendar Modern Algebra Third Edition, Part 2 TEXTBOOK 786 New Publications Offered by the AMS Joseph J. Rotman, University of Illinois at Urbana- 793 Meetings and Conferences of the AMS Champaign, IL This second part of the new edition of Advanced 808 Te Back Page Modern Algebra (the first part published as Graduate Studies in Mathematics, Volume 165) presents many topics mentioned in the first part in greater depth and in more detail, including group theory, representation theory, homological algebra, categories, and commu- tative algebra. Graduate Studies in Mathematics, Volume 180; 2017; approximately 549 pages; Hardcover; ISBN: 978-1-4704-2311-7; List US$94; AMS members US$75.20; Order code GSM/180 Advanced Modern Algebra Also Available Third Edition, Part 1 Joseph J. Rotman Cover: The gravitational waves first detected December 26, Graduate Studies 2015, came from the spiraling merger of two black holes. The in Mathematics TEXTBOOK Volume 165 cover image is from a video that shows numerical simulation of American Mathematical Society AdvancedTEXTBOOKS the event GW151226 associated to a binary black-hole coales- FROM THE AMS cence. Credits: Numerical-relativistic Simulation: S. Ossokine, Modern Algebra A. Buonanno (Max Planck Institute for Gravitational Third Edition, Part 1 TEXTBOOK Physics), Simulating eXtreme Spacetimes Project. Joseph J. Rotman, University of Illinois at Urbana- TEXTBOOK Scientific Visualization: T. Dietrich, R. Haas (Max Champaign, IL Planck Institute for Gravitational Physics). TEXTBOOKS Graduate Studies in Mathematics, VolumeFROM THE 165;AMS 2015; 706 pages; Hardcover; ISBN: 978-1-4704-1554-9; List US$89; AMS members US$71.20; Order code GSM/165 TEXTBOOK= Textbook = Available in eBook Format !"##$%&'()&*+,!-.,/,012131$ !)#'$)44()###,!567839:3;$ Notices of the American Mathematical Society EDITOR- IN- CHIEF CONTACTING THE NOTICES Frank Morgan SUBSCRIPTION INFORMATION ASSOCIATE EDITORS Subscription prices for Volume 64 (2017) are US$637 list; Benjamin Braun, US$509.60 institutional member; US$382.20 individual mem- Alexander Diaz-L opez, Thomas Garrity, Joel Hass, ber; US$573.30 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 Indiaó John Baez, HÈl Ën e Barcelo, Ricardo Cortez, Jerry Folland, US$27; in Indiaó US$40; expedited delivery to destinations in Tara Holm, Kenneth A. Ribet North Americaó US$35; elsewhereó US$120. Subscriptions and orders for AMS publications should be addressed to the ASSISTANT to the EDITOR- IN- CHIEF American Mathematical Society, P.O. Box 845904, Boston, MA Sophia D. Merow 02284- 5904 USA. All orders must be prepaid. SENIOR WRITER/DEPUTY EDITOR MANAGING EDITOR Allyn Jackson 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) CONTRIBUTING WRITER notices- [email protected] (display ads) Elaine Kehoe PERMISSIONS COMPOSITION, DESIGN and EDITING All requests to reprint Notices articles should be sent to: John Brady, Anna Hattoy, Lori Nero, Karen Ouellette, reprint- [email protected] Becky 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 ì For including the opportunity to post comments, is freely available Authorsî page at www.ams.org/publications/journals/notices/ electronically through the AMS website, the Societyí 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 notices- [email protected] at member institutions can opt to receive the print magazine by updating their individual member profiles at https://www.ams. Additions to the Math Calendar should be submitted at: org/cml/update- ams. For questions regarding updating your bit.ly/1SDf5kF 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- 2294 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 02904-6 248 USA.] Publication here of the Societyí s street address and the other bracketed information is a technical requirement of the U.S. Postal Service. © Copyright 2017 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. LETTERS TO THE EDITOR Online Survey of Publishing Issues The Daughters of John Adams In 2016 I circulated an online survey of mathematicians, On the Back Page (Volume 64, Number 5, May 2017 issue), to elicit opinions on various issues related to journal the editor inserts “and daughters!” into John Adams’s publishing. The survey, which was terminated after 1,000 statement, “I must study politics and war that my sons responses, was propagated via mailing lists (for example, may have liberty