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faculty at the University of Washington, where she will Toro Named Director retain tenure during her term at MSRI. Her honors and awards include the Landolt Distin- of MSRI guished Graduate Mentor Award of the University of Wash- Tatiana Toro of the University of ington and the 2020 Blackwell–Tapia Prize. She has been Washington has been appointed as the recipient of an NSF Postdoctoral Research Fellowship, director of the Mathematical Sci- a Sloan Research Fellowship, a Guggenheim Fellowship, ences Research Institute (MSRI). She and two Simons Foundation Fellowships. She was elected a will serve a five-year term beginning Fellow of the AMS in 2016. Her service to AMS includes as August 1, 2022. an editor of Proceedings of the American Mathematical Society Toro’s primary research interests (2009–2015) and of Transactions and Memoirs of the Ameri- lie in the interface of partial differ- can Mathematical Society (2015–2019); as an elected mem- ential equations, harmonic analysis, ber of the AMS Editorial Boards Committee (2016–2019) and of the AMS Nominating Committee; and as a member Tatiana Toro calculus of variations, and geometric measure theory. According to the of the AMS Colloquium Lecture Committee. She previously MSRI announcement, “the main premise of Toro’s work served on the board of directors of the Pacific Institute is that under the right lens, objects that at first glance for the Mathematical Sciences at the University of British might appear to be very irregular do exhibit quantifiable Columbia. She is currently a trustee of the Institute of Pure regular characteristics. Her work establishes unexpected and Applied Mathematics in Los Angeles, California, and of bridges between these areas of mathematics, opening new the Banff International Research Station for Mathematical landscapes for research. As MSRI Director, Toro will build Innovation and Discovery in Alberta, Canada. She serves upon her long-standing relationship with the Institute to on the Board on Mathematical Sciences and Analytics of continue its mission to support mathematical research, the National Academy of Sciences, as well as the US Na- tional Committee for Mathematics, which represents the foster talent, and further the appreciation of mathematics International Mathematical Union. She was elected to the by the general public, in the US and abroad. Her career path American Academy of Arts and Sciences in 2020. has included a strong focus on service to the mathematical community, including extensive mentoring of students at —From an MSRI announcement the undergraduate, graduate, and postgraduate levels. Toro’s commitment to addressing issues of equity and inclusion of underrepresented groups in the mathematical sciences is a guiding principle in each of these settings.” Toro’s service to MSRI includes co-organizing a semes- ter-long research program and topical workshops and serving on MSRI’s Scientific Advisory Board since 2016; she has been co-chair of the Board since 2018. She was named MSRI Chancellor’s Professor in the harmonic analysis pro- gram for 2016–2017. Toro is a native of Bogotá, Colombia. She received her PhD from Stanford University in 1992, supervised by Leon Simon. As a graduate student at Stanford, she participated in one of MSRI’s first summer graduate schools. She held positions at the Institute for Advanced Study (1992–1993), the University of California, Berkeley (1993–1994), and the University of Chicago (1994–1996) before joining the

1404 Notices of the American Mathematical Society Volume 68, Number 8 Mathematics People NEWS Fraser and Gualtieri Awarded Gwynne Receives Inaugural Morawetz Prize Kendall Award Ailana Fraser of the University of Ewain Gwynne of the University of British Columbia and Marco Gual- Chicago has been awarded the in- tieri of the University of Toronto augural David G. Kendall Award for have been named the recipients of Young Researchers of the Royal Sta- the first Cathleen Synge Morawetz tistical Society (RSS) in recognition Prize of the Canadian Mathematical of his outstanding contributions to Society (CMS). The prize honors an Liouville quantum gravity, Schramm– outstanding research publication or Loewner evolution, and the Gaussian series of closely related publications. free field. Gwynne received his PhD Ailana Fraser Fraser was honored for her work in Ewain Gwynne from the Massachusetts Institute of differential geometry and geometric Technology in 2018, advised by Scott analysis, particularly for a sequence Sheffield. He held a postdoctoral position at the Univer- of papers that “connect the theory of sity of Cambridge, supported by a Trinity College Junior minimal surfaces with free boundary Research Fellowship, a Herchel Smith Fellowship, and a conditions and extremal problems Clay Research Fellowship. He received the Rollo Davidson for the Steklov eigenvalues on the Prize in 2020. He is a co-organizer of the online seminar space of Riemannian metrics,” in- Random Geometry and Statistical Physics. He will present cluding several collaborations with the named lecture at the 2022 RSS Conference in Aberdeen. Richard Schoen. According to the The Kendall Award and lecture carries a prize amount citation, “The work overlaps several of 2,000 euros (approximately US$2,400) and is named Marco Gualtieri different areas including the geo- after the first president of the Bernoulli Society and RSS metric calculus of variations, confor- Guy Medal in Gold recipient, David G. Kendall. It will be mal geometry, and partial differential equations.” Fraser awarded biennially by the RSS and the Bernoulli Society received her PhD from Stanford University in 1998 and to recognize research in mathematical statistics and prob- held postdoctoral positions at the Courant Institute of ability theory. Mathematical Sciences and Brown University. She received the CMS Krieger-Nelson Prize in 2012. She is a Fellow of —From an RSS announcement the AMS, as well as of CMS. Gualtieri was honored for his work on the foundations of generalized complex structures, particularly for the article Saunders Named AWM–MAA “Generalized complex manifolds,” Annals of Mathematics 174 (2011), no. 1. According to the citation, “this work Falconer Lecturer opens up new connections between symplectic geometry and complex geometry by initiating the study of a class of Bonita V. Saunders of the National manifolds which interpolates between symplectic man- Institute of Standards and Technol- ifolds on the one hand and complex manifolds on the ogy (NIST) has been named the 2021 other. Applications to mirror symmetry and string theory Etta Zuber Falconer Lecturer of the abound.” Gualtieri received his DPhil from the University Association of Women in Mathe- of Oxford in 2004 under the direction of Nigel Hitchin. He matics (AWM) and the Mathematical held postdoctoral positions at the Mathematical Sciences Association of American (MAA) “in Research Institute and the Fields Institute of Mathematical recognition of her distinguished con- Sciences and an instructorship at the Massachusetts Insti- tributions to mathematics and math- tute of Technology before joining the faculty at Toronto in Bonita V. Saunders ematics education, as well as her skill 2008. His honors include the Lichnerowicz Prize in Poisson in delivering an expository lecture.” Geometry (2010), the André Aisenstadt Prize (2012), and Saunders earned her PhD in computational and applied the CMS Coxeter–James Prize (2014). He tells the Notices: mathematics from Old Dominion University. She is a re- “I'm a student of north Indian percussion and have a strong search mathematician in the Applied and Computational interest in puerh tea.” Mathematics Division (ACMD) at the NIST. She is the visualization editor and principal designer of graphs and —From a CMS announcement visualizations for the NIST Digital Library of Mathematical

September 2021 Notices of the American Mathematical Society 1405 Mathematics People NEWS

Functions (DLMF) and project leader for the DLMF Stan- Sciences and the American Academy of Arts and Sciences. dard Reference Tables on Demand Project, a collaborative He is currently University Professor and Karen Ostrum effort between ACMD and the University of Antwerp George Distinguished Service Professor in Computational Computational Mathematics Research Group to develop Engineering at Rice University. In addition to his mathe- a software testing system that generates certifiably accurate matical interests, Vardi is keenly interested in societal im- tables of special function values at user-specified precision. pacts of computing, particularly adverse impacts, a topic on Her awards and honors include the US Department of which he often writes at https://cacm.acm.org/opinion Commerce Gold Medal (2011) and the NIST Information /vardis-insights. Technology Laboratory Outstanding Contribution Award The Knuth Prize includes a cash award of US$10,000 for Excellence in Research Mathematics and Computer and is given annually to one person for major research Science. She is an active member of the AMS, as well as accomplishments and contributions to the foundations the MAA and the Society for Industrial and Applied Math- of computer science over an extended period of time. The ematics (SIAM). She is currently the MD–DC–VA Section prize is jointly awarded by the Association for Computing Representative to MAA Congress, an associate editor of the Machinery (ACM) Special Interest Group on Algorithms MAA Mathematics Magazine, and a member of the SIAM and Computation Theory (SIGACT) and the Institute for Board of Trustees. Electrical and Electronics Engineers (IEEE) Technical Com- Saunders will deliver the Falconer Lecture, “Complex mittee on the Mathematical Foundations of Computing. Functions, Mesh Generation, and Hidden Figures in the NIST Digital Library of Mathematical Functions,” at the —From an ACM/IEEE announcement MAA’s Summer MathFest, to be held virtually August 4–7, 2021. Grötschel Awarded —From an MAA announcement Cantor Medal Vardi Awarded Knuth Prize Martin Grötschel of the Techni- cal University of Berlin has been Moshe Vardi of Rice University has awarded the 2021 Cantor Medal of been awarded the 2021 Knuth Prize the German Mathematical Society for “outstanding contributions that for his work in mathematical opti- apply mathematical logic to multi- mization, discrete mathematics, and ple fundamental areas of computer operations research. According to science.” According to the prize ci- the citation, “Grötschel dealt with tation, “the major themes of Vardi’s a variety of applications, including contributions are the use of automata Martin Grötschel transport and logistics, telecommu- theory and logics of programs to nications, chip design, energy and Moshe Vardi algorithmically prove correctness of flexible manufacturing. Since 1992 he has been involved system designs; the analysis of data- in electronic information processing and communication, base issues—including query evaluation complexity, data open access, open science and related topics.” Grötschel updates, and others—using finite-model theory; character- received his PhD in economics in 1977 and a Habilitation izations of complexity classes such as P in terms of logical in operations research in 1981, both from the University of expressions; and the analysis of multi-agent systems such as Bonn. He served as professor of applied mathematics at the distributed computation systems, via epistemic logic.” Vardi University of Augsburg from 1982 to 1991, when he joined received his PhD from Hebrew University of Jerusalem in the Technical University of Berlin, where he remained 1981. He held a position at the IBM Almaden Research until 2015. During those years he was vice president, then Center before joining the faculty at Rice in 1993. Among president, of the Konrad Zuse Center for Information his many honors are the 2000 Gödel Prize, the 2005 ACM Technology in Berlin. He also served as president of the Kanellakis Award for Theory and Practice, and the ACM Berlin-Brandenburg Academy of Sciences and Humanities Presidential Award in both 2008 and 2017. He is a Fellow (2015–2020). Among his many awards and honors are of the AMS, the American Association for the Advancement the Fulkerson Prize of the AMS and the Mathematical of Science, the Association for Computing Machinery, the Programming Society (1982), the 1991 George B. Dantzig Institute for Electrical and Electronics Engineers, and the Prize (Society of Industrial and Applied Mathematics and Society for Industrial and Applied Mathematics, among Mathematical Programming Society), the Leibniz Prize of others. He is a member of the National Academy of the German Research Foundation (1995), the 2006 John

1406 Notices of the American Mathematical Society Volume 68, Number 8 Mathematics People NEWS von Neumann Theory Prize (jointly with László Lovász interested in quite a number of other scientific domains and Alexander Schrijver) of the Institute for Operations such as computer science and nuclear physics. In the last Research and the Management Sciences (INFORMS), year, I have been especially involved in writing a report and the 2010 SIAM Prize for Distinguished Service to the on nuclear reactor technology, as a member of the Energy Profession. He is a Fellow of the Society for Industrial and Committee of Académie des Sciences de Paris. I have been Applied Mathematics (SIAM) and of the World Academy practicing table tennis for more than fifty years and still of Sciences (TWAS). play occasionally in competition (but have never reached Grötschel tells the Notices: “My wife and I enjoy what very high level!). I am married and have a daughter age we Germans call Bildungsreisen (no beaches; but visits to thirty-one, who is an emergency physician.” museums, exhibitions, archaeological sites, combined with culture, art, and history studies). I consider my election as —From an ETH Zurich announcement president of the Berlin-Brandenburg Academy of Sciences and Humanities (for the period 2015–2020) which has outstanding expertise in various areas of the humanities 2021 Gödel Prize Awarded as a strike of good fortune. It gave me the opportunity to extend my hobby background, to cooperate with human- The 2021 Gödel Prize has been jointly awarded to the au- ities scholars, and to help them by suggesting the use of thors of the following three papers: mathematical and computer science methods to enhance Andrei Bulatov of Simon Fraser University was honored their studies. This line of research is called digital human- for his paper, “The complexity of the counting constraint ities (DH). . . . It needs some patience to extend the first satisfaction problem,” Journal of the Association for Comput- achievements in archeology and linguistics to other fields of ing Machinery 60 (2013). Bulatov received his PhD from the humanities. I intend to support this development in the Ural State University, Russia, in 1999. future and to continue my promotion of open access and Martin E. Dyer of the University of Leeds and David open science in the humanities, where this idea (in contrast Richerby of the University of Essex were recognized for to mathematics) needs considerably more followers.” their joint paper, “An effective dichotomy for the counting constraint satisfaction problem,” SIAM Journal of Computing —German Mathematical Society announcement 42 (2013), no. 3. Dyer received his PhD in 1979 from the University of Leeds. Richerby received his PhD in 2003 from the University of Cambridge. Demailly Receives Hopf Prize Jin-Yi Cai of the University of Wisconsin, Madison, and Xi Chen of Columbia University were recognized for their Jean-Pierre Demailly of Institut Fou- joint paper, “Complexity of counting CSP with complex rier, Université Grenoble Alpes, has weights,” Journal of the Association for Computing Machin- been awarded the 2021 Heinz Hopf ery 64 (2017), no. 3. Cai received his PhD from Cornell Prize of ETH Zurich for his work in University in 1986. Chen received his PhD from Tsinghua complex analysis and differential University in 2007. geometry. The citation reads: “Constraint satisfaction is a subject Demailly received his PhD from of central significance in computer science, since a very the University of Paris VI under the large number of combinatorial problems, starting from direction of Henri Skoda with his Boolean satisfiability and graph coloring, can be phrased as thesis, “On different aspects of pos- Jean-Pierre Demailly constraint satisfaction problems (CSP). The papers above, itivity in complex analysis” (1982). taken together, are the culmination of a large body of work He joined the faculty at Grenoble Alpes in 1983. His on the classification of counting complexity of CSPs and honors include the Prix Peccot-Vimont (1986), the Prix Carrière (1987), the IBM Scientific Prize for Mathematics prove an all-encompassing complexity dichotomy theorem (1989), the Dannie Heineman International Prize (1991), for counting CSP-type problems that are expressible as a the Grand Prix Mergier-Bourdeix (1994), the Humboldt partition function. Prize for International Collaboration (1996), the Simion “The class of problems that the final form of this dichot- Stoilow Prize of the Romanian Academy of Sciences (2006), omy classifies is exceedingly broad. It includes all counting and the AMS Stefan Bergman Prize in 2015. He became a CSPs, all types of graph homomorphisms (undirected or permanent member of the French Academy of Sciences directed, unweighted or weighted), and spin systems (and in 2007. He was an invited speaker at the International thus a large variety of problems from statistical physics). Congress of Mathematicians in 1994 and a plenary speaker Examples include counting vertex covers, independent in 2006. He tells the Notices: “Beyond mathematics, I am sets, antichains, graph colorings, the Ising model, the Potts model, the q-particle Widom–Rowlinson model, the

September 2021 Notices of the American Mathematical Society 1407 Mathematics People NEWS q-type Beach model, and more. For all these problems, this serve as academic role models in research and education theorem gives a complexity dichotomy classification: Every and to lead advances in the mission of their departments problem in the class is either solvable in polynomial time or organizations. Following are the names, institutions, and or is #P-hard.” proposal titles of the awardees selected by the NSF Division The Gödel Prize is named in honor of Kurt Gödel, who of Mathematical Sciences (DMS). The list may be updated was born in Austria-Hungary (now the Czech Republic) in as additional grants are made. 1906. Gödel’s work has had immense impact upon scien- • Bhaswar Bhattacharya, University of Pennsylva- tific and philosophical thinking in the twentieth century. nia: Geometric and combinatorial methods for The award recognizes his major contributions to math- distribution-free inference and dependent network ematical logic and the foundations of computer science. data • Ivana Bozic, University of Washington: Branch- —From a Gödel Prize announcement ing processes on graphs inform early detection of colorectal cancer • Yaiza Canzani, University of North Carolina at NCTM Receives Chapel Hill: Eigenfunctions, Weyl laws, and ran- dom waves Castelnuovo Award • Damek Davis, Cornell University: Nonconvex op- timization for statistical estimation and learning: The National Council of Teachers of Mathematics (NCTM) Conditioning, dynamics, and nonsmoothness has been selected the recipient of the 2020 Emma Cas- • Edgar Dobriban, University of Pennsylvania: Fast telnuovo Award from the International Commission on and accurate statistical learning and inference from Mathematical Instruction (ICMI) “in recognition of 100 large-scale data: Theory, methods, and algorithms years of development and implementation of exceptionally • Jessica Fintzen, Duke University: Representations excellent and influential work in the practice of mathemat- of p-adic groups and different incarnations of the ics education.” The award is given for outstanding achieve- Langlands program ments in the practice of mathematics education. • Steven Frankel, Washington University: Universal circles between dynamics and geometry —Castelnuovo Award announcement • Pavel Galashin, University of California, Los Angeles: Statistical mechanics and knot theory in algebraic combinatorics Journal of Complexity • Sheel Ganatra, University of Southern California: Fukaya categories and noncommutative Hodge Best Paper Award structures The Journal of Complexity awards a prize of US$4,000 to the • Irina Gaynanova, Texas A&M University: Next-gen- best paper published in the journal each year. The award for eration methods for statistical integration of 2020 was split between the following two papers: Joris van high-dimensional disparate data sources der Hoeven and Grégoire Lecerf, “Directed evaluation,” • Philip Graber, Baylor University: Mean field 60 (2020) and Paweł M. Morkisz and Leszek Plaskota, games with economics applications: New tech- “Complexity of approximating Hölder classes from in- niques in partial differential equations • formation with varying Gaussian noise,” 60 (2020). The Yu Gu, Carnegie-Mellon University: Partial differ- award committee consisted of Klaus Meer, Brandenburg ential equations and randomness • Shaoming Guo, University of Wisconsin, Madi- University of Technology, and Henryk Woz´niakowski, son: Decoupling inequalities, oscillatory integrals, Columbia University. and applications in analytic number theory and —Erich Novak, Editor in Chief combinatorics Journal of Complexity • Owen Gwilliam, University of Massachusetts, Amherst: Factorization algebras in quantum field theory CAREER Awards Announced • Thi Thao Phuong Hoang, Auburn University: Ef- ficient and accurate local time-stepping algorithms The National Science Foundation (NSF) has released a for multiscale multiphysics systems list of recipients of its Faculty Early Career Development • Lucas Janson, Harvard University: Beyond condi- (CAREER) awards for fiscal year 2021. These awards support tional independence: New model-free targets for early-career faculty members who have the potential to high-dimensional inference

1408 Notices of the American Mathematical Society Volume 68, Number 8 Mathematics People NEWS

• Kenneth Jeffries, University of Nebraska, Lincoln: • Luca Spolaor, University of California, San Diego: Differential operators and p-derivations in com- Fine structure of the singular set in some geometric mutative algebra variational problems • Edward Kennedy, Carnegie-Mellon University: • Laura Starkston, University of California, Davis: Advances in modern causal inference: High di- Symplectic 4-manifolds and singular symplectic mensions, heterogeneity, and beyond surfaces • Chanwoo Kim, University of Wisconsin, Madison: • Xin Sun, University of Pennsylvania: Liouville Hilbert’s sixth problem in the Boltzmann equation quantum gravity, two-dimensional random geom- • Daniel Lacker, Columbia University: Stochastic etry, and conformal field theory games on large graphs in the mean field regime • Hiro Tanaka, Texas State University, San Marcos: and beyond Higher algebra and symplectic geometry • Tengyuan Liang, University of Chicago: New sta- • Alex Townsend, Cornell University: Computing tistical paradigms reconciling empirical surprises with rational functions in modern machine learning • Minh-Binh Tran, Southern Methodist University: • Adam MacLean, University of Southern California: Emerging challenges in wave turbulence theory Inference of gene regulatory networks and cell • Alexander Volfovsky, Duke University: Design dynamics that control stem cell fate and analysis of experiments for complex social • Matthias Maier, Texas A&M University: Robust processes and high-performance computational methods • Franziska Weber, Carnegie-Mellon University: for simulating metamaterial-based optical devices Analysis and numerics for the dynamics of fluids • Stanislav Minsker, University of Southern Califor- under magnetic forces nia: Robust and efficient algorithms for statistical • Ming Xiao, University of California, San Diego: estimation and inference Geometric function theory in several complex • Andrew Obus, Baruch College, City University of variables New York: Models of curves and non-Archimedean • Yufei Zhao, Massachusetts Institute of Technology: geometry Analytic and spectral methods in combinatorics • Priyam Patel, University of Utah: The algebra, • Mayya Zhilova, Georgia Tech Research Corpora- geometry, and topology of infinite surfaces tion: New challenges in high-dimensional and • Benjamin Peherstorfer, New York University: For- nonparametric statistics mulations, theory, and algorithms for nonlinear model reduction in transport-dominated systems —NSF announcement • Sara Pollock, University of Florida: Extrapola- tion methods for matrix and tensor eigenvalue problems Marshall Scholars Announced • Olivia Prosper, University of Tennessee, Knoxville: Designing optimal sampling strategies for epide- Two young scholars whose work involves the mathematical miological models sciences have been awarded Marshall Scholarships for 2021. • Marco Radeschi, University of Notre Dame: Sin- The scholarships provide support for young scholars of gular Riemannian foliations and applications to high ability to study in the United Kingdom. Marla Odell of curvature and invariant theory the Massachusetts Institute of Technology majored in com- • Nancy Rodriguez, University of Colorado at puter science, economics, and data science and minored Boulder: Mathematical frameworks and theory in mathematics and public policy at MIT. As a researcher for conceptual models in economics, ecology, and at MIT’s Computer Science and Artificial Intelligence Lab criminology and the Brookings Institution, she developed technical and • Armin Schikorra, University of Pittsburgh: Frac- policy approaches for algorithmic accountability. As an tional partial differential equations, harmonic undergraduate, she founded MIT’s Women in EECS club, analysis, and their applications in the geometric helped establish the MIT Science Policy Review, and served calculus of variations and quantitative topology as president of MIT’s computer science honor society. • Hao Shen, University of Wisconsin, Madison: Nataliya Stepanova of the University of Maryland, Properties of solutions to singular stochastic College Park, is a mathematics and computer science partial differential equations from quantum field double major and linguistics minor. She has explored the theory intersection of computation and language by conducting • Farbod Shokrieh, University of Washington: Con- research with UMD’s Applied Research Laboratory for nections between tropical geometry, arithmetic Intelligence and Security, interning at the Foreign Service geometry, and combinatorics

September 2021 Notices of the American Mathematical Society 1409 Mathematics People NEWS

Institute of the Department of State, and studying Korean University High School, Irvine, California, for “The struc- through the Critical Language Scholarship. She hopes to ture of the positive monoid of integer-valued polynomials work in the field of natural language processing, focusing evaluated at an algebraic number”; and Adelina Kildeeva, on automated misinformation detection. As a Marshall School #17, Moscow Oblast, Russian Federation, for “Braid Scholar, Nataliya plans on pursuing an MSc in speech and theory and classification of periodic orbits of the three- language processing at the University of Edinburgh. body problem.” The awards in mathematics are sponsored by the Akamai —From a Marshall Scholarship announcement Foundation. A number of special awards were also given at ISEF. Mu Alpha Theta, the National High School and Two-Year Regeneron ISEF Science College Mathematics Honor Society, honored five students in the Mathematics category. First Awards of US$1,500 Talent Search were presented to Shoshana Elgart, Blacksburg High School, Blacksburg, Virginia, for “Modeling COVID-19: The International Science and Engineering Fair (ISEF) was Simulating the effects of waning immunity using a new held virtually in 2021 with sponsorship by Regeneron and multi-compartment epidemiological model” and Alexan- the Society for Science. The finalists were students in ninth der Zhang of Lynbrook High School, San Jose, California, through twelfth grades from sixty-four countries. Following for “A novel and efficient method of persistent homology are the names, schools, and projects of the awardees in the to detect and remove topological errors in triangle mesh mathematics category. data.” Second Awards of US$1,000 were presented to Anna The First Award in Mathematics of US$5,000 was earned Rosenova Mihalkova, Sofia High School of Mathematics, by Alexander Zhang of Lynbrook High School, San Jose, Sofia, Bulgaria, for “Ranking of the vertices in a weighted California, for his project, “A novel and efficient method graph”; Niranjan Baskaran, Gateway International School, of persistent homology to detect and remove topological Chennai, Tamil Nadu, India, for “Cracking the infinite shuf- errors in triangle mesh data.” fle: Solving the Kimerling sequence problem”; and Nikita Second Awards in Mathematics of US$2,000 were pre- Poplevin, Municipal School #1, Severomorsk, Murmansk sented to Tzu-Hsuan Chiu, Taipei First Girls High School, Region, Russian Federation, for “Generalized solution of Taiwan, for “Enumeration of polygon dissections with the Fibonacci problem.” prescribed conditions”; Shoshana Elgart, Blacksburg High The Air Force Research Laboratory awarded a US$750 School, Blacksburg, Virginia, for “Modeling COVID-19: award in mathematics to Dev Mayur Chheda, Ardrey Kell Simulating the effects of waning immunity using a new High School, Charlotte, North Carolina, for “Novel meth- multi-compartment epidemiological model”; and Jessica ods for shape classification, analysis, and synthesis using Zhang, Proof School, Foster City, California, for “Classifi- the isoperimetric profile and mathematical morphology.” cation of tight contact structures on a solid torus.” The American Meteorology Society awarded a Certificate Third Awards in Mathematics of US$1,000 went to of Honorable Mention in the mathematics category to Sa- Dev Chheda, Ardrey Kell High School, Charlotte, North nuja Dilanka Manage, College Park High School, Conroe, Carolina, for “Novel methods for shape classification, Texas, for “Negative binomial regression to model dengue analysis, and synthesis using the isoperimetric profile and cases using weather factors.” mathematical morphology”; Nathan Krause, Park Chris- Innopolis University, a Russian institution of higher tian School, Moorhead, Minnesota, for “Investigations in education, focuses on education and research in the fields topdrops”; Addea Gupta, Sanskriti School, Delhi, India, of information technology and robotics. Full-tuition schol- for “Diophantus equations and partially ordered sets”; arships for the bachelor’s program in computer science were and William Li, Delbarton School, Chester, New Jersey, awarded in the mathematics category to Tsz Tung Tsei, for “Lebesgue measure preserving Thompson’s monoid.” Maryknoll Fathers’ School, Hong Kong, China, for “An in- Fourth Awards in Mathematics of US$500 were pre- novative conversion from decimal to gray code: Inspired by sented to the following: Oleg Chistov, School 564, Rus- Chinese rings”; Olcay Oransoy, Izmir Bahcesehir College sian Federation, for “On geometry of central extension of 50 Year Science and Technology High School, Izmir, Tur- Klein bottle group”; Sara Hargitai, Godolloi Reformatus key, for “Proposal for an algorithm for finding the crossing Liceum Gimnazium, Hungary, for “The contraharmonic number of a graph”; and Adelina Kildeeva, School #17, mean: Connections, relations to number theory, possible Moscow Oblast, Russian Federation, for “Braid theory and generalizations”; Gregory Li, Alabama School of Mathe- classification of periodic orbits of the three-body problem.” matics and Science, Mobile, Alabama, for “Classification The Shanghai Youth Science Education Society is com- of small orthomodular posets in quantum logic through mitted to popularizing and disseminating science and tech- clique structures of Dacey graphs”; Andrei Mandelshtam, nology to young people and the general public. Its Science

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Seed Award was given to Tsz Tung Tsei, Maryknoll Fathers’ errors in triangle mesh data.” In the ISEF, Zhang received School, Hong Kong, China, for “An innovative conversion the First Award, as well as a First Award from Mu Alpha from decimal to gray code: Inspired by Chinese rings.” Theta. Chiu received a Second Award and Mandelshtam a Fourth Award in the ISEF. —From a Society for Science announcement Certificate of Honorable Mention: Dev Mayur Chheda, Ardrey Kell High School, Charlotte, North Carolina, for “Novel methods for shape classification, analysis, and AMS Menger Awards synthesis using the isoperimetric profile and mathematical morphology”; Oleg Chistov, School 564, Saint Petersburg, at the 2021 ISEF Russian Federation, for “On geometry of central extension of Klein bottle group”; Nathan Richard Krause, Park Chris- The Regeneron International Science and Engineering Fair tian School, Moorhead, Minnesota, for “Investigations in (ISEF) is organized each year by the Society for Science. It topdrops”; William Li, Delbarton School, Chester, New is the world’s biggest math and science competition for Jersey, for “Lebesgue measure preserving Thompson’s precollege students. ISEF 2021 was held virtually. Students monoid”; and Chau Anh Le and Khoa Dang Huynh, both from the United States and many other countries presented of Nguyen Tri Phuong Lower Secondary School, Hue, Thua their research projects either as individuals or in teams, after Thien Hue, Vietnam, for “Stimulating mathematical think- being selected from ISEF-affiliated regional science fairs. ing through the system of geometric exercises and games The American Mathematical Society has been presenting designed by scratch programming.” Chheda, Krause, and awards to the top mathematics projects at ISEF since 1988. Li received Third Awards in the ISEF. Chistov received a Since 1990, the awards have been named after Karl Menger. Fourth Award. Chheda also received a US$750 award in This year the AMS awarded one first-place prize, two sec- mathematics from the Air Force Research Laboratory. ond-place prizes, and four third-place prizes. In addition, The participation of the American Mathematical Society five more projects received honorable mentions. A booklet in ISEF is supported through income from the Karl Menger about Karl Menger is given to each award recipient. Fund, established by the family of the late Karl Menger, The 2021 Karl Menger Memorial Prize awardees are as supplemented by the AMS general fund (see www.ams follows: .org/menger-award). For more information about this First-Place Award (US$2,000): Jessica Jihang Zhang, program or to make contributions to this fund, contact the Proof School, Foster City, California, for “Classification AMS Development Office, 201 Charles Street, Providence, of tight contact structures on a solid torus.” Zhang also RI 02904-2294; send email to [email protected]; or received a Second Award in the ISEF. telephone 401-455-4111. Second-Place Awards (US$1,000): Haruki Sato, Nara Women’s University Secondary School, Higashi Osaka-shi, —From a Society for Science announcement Osaka, Japan, for “An expansion of ‘Buffon’s Needle’ to higher dimensions: Computational theory of probability Credits using figures and its application to geometry”; Dohyeon Photo of Tatiana Toro is courtesy of Corinne Thrash, Univer- sity of Washington College of Arts and Sciences. Kim, Korea Science Academy of KAIST, Ulsan, South Photo of Ailana Fraser is courtesy of Ailana Fraser. Korea, Hyungwon Han, Korea Science Academy of KAIST, Photo of Marco Gualtieri is courtesy of Marco Gualtieri. Daejeon, South Korea, and Hyunjun Cho, Korea Science Photo of Bonita V. Saunders is courtesy of Lifetouch Photog- Academy of KAIST, Changwon, South Korea, for “Curve raphy/Bonita Saunders. optimization using curvature-based models with calculus Photo of Moshe Vardi is courtesy of Donald Soward, Rice University. of variations.” Photo of Martin Grötschel is courtesy of Judith Affolter. Third-Place Awards (US$500): Tzu-Hsuan Chiu, Taipei Photo of Jean-Pierre Demailly is courtesy of Jean-Pierre De- First Girls High School, Taipei City, Taiwan, for “Enumer- mailly. ation of polygon dissections with prescribed conditions”; Andrei Mandelshtam, University High School, Irvine, California, for “The structure of the positive monoid of integer-valued polynomials evaluated at an algebraic number”; Chloe Feiyang Zhan, Hamilton High School, Chandler, Arizona, for “A novel approach to estimate the number of asteroids in different belts using weighted re- gression”; and Alexander Zhang, Lynbrook High School, San Jose, California, for “A novel and efficient method of persistent homology to detect and remove topological

September 2021 Notices of the American Mathematical Society 1411