Sarah Frei

Sarah Frei is a John Wesley Young Research Instructor at Dartmouth College, specializing in algebraic geometry and arithmetic geometry. Her research interests include arithmetic aspects of moduli spaces, Brauer groups, and rationality. She received her Ph.D. from the University of Oregon in 2019, under the supervision of Nicolas Addington, and was a postdoctoral instructor at Rice University before joining Dartmouth in 2022.

Aashraya Jha

Aashraya Jha is a PhD student at Boston University, working with Jennifer Balakrishnan. He is interested in arithmetic geometry and algebraic number theory, focusing on finding rational points of curves over number fields, properties of modular abelian varieties and Uniform Mordell-Lang.

Grant Molnar

Grant Molnar is a PhD student at Dartmouth College studying arithmetic statistics under John Voight. He received his BS from BYU Provo in 2016 and his MS from the same university in 2018. Grant has wide-ranging mathematical interests, but possesses a special fascination with algebraic and analytic number theory.

Juanita Duque-Rosero

Juanita Duque-Rosero is a graduate student at Dartmouth College, working with John Voight. Her research interests include number theory and arithmetic geometry, focusing on triangular modular curves and explicit methods for computing rational points.

Sachi Hashimoto

Sachi Hashimoto is interested in effective methods in arithmetic geometry and algebraic geometry, and especially in developing methods for determining rational points on curves. She received her PhD in 2022 from Boston University under the supervision of Jennifer Balakrishnan. Sachi is currently a postdoctoral researcher at the Max Planck Institute for Mathematics in the Sciences. In July 2023, she will start a postdoctoral position at Brown University.

Oana Padurariu

Oana Padurariu is a sixth-year graduate student at Boston University working with Jennifer Balakrishnan. She will be graduating in Spring 2023. Oana is interested in rational points on varieties (such as Shimura curves and bielliptic curves) and Mazur’s Program B.

Padmavathi Srinivasan

Padmavathi Srinivasan received her PhD in 2016 at MIT under the direction of Bjorn Poonen. She will join the collaboration in Fall 2022 after postdoctoral positions at the Georgia Institute of Technology and the University of Georgia. She is interested in various explicit aspects of families of curves and abelian varieties, and their applications to the study of rational points on curves.

Barinder Banwait

Barinder Banwait joined the Collaboration in September 2022. His research into rational points on modular curves includes work on computing pseudoeigenvalues of modular forms as well as determining uniform sets of prime-degree isogenies of elliptic curves. He is also interested in computational aspects of Galois representations of higher dimensional abelian varieties and has contributed to Sage and the LMFDB. Barinder received a BA and MMath from Cambridge University in 2009 and a PhD from Warwick University in 2013 under the supervision of John Cremona. After postdoctoral positions in Bordeaux, Essen, Prayagraj, and Heidelberg, as well as industry positions in Cambridge and London in the Surgical Robotics and Quantitative Finance sectors, he is currently a postdoctoral researcher at Boston University.

Francesca Bianchi

Francesca Bianchi is a postdoc at the University of Groningen. She received her PhD from the University of Oxford in 2019, under the supervision of Jennifer Balakrishnan and Alan Lauder. She is mainly interested in p-adic aspects of (computational) arithmetic geometry, in particular in p-adic heights and p-adic methods to compute rational and integral points on curves.

Jean Kieffer

Jean Kieffer is a postdoctoral researcher at Harvard University, focusing on computational aspects of abelian varieties and their moduli spaces. After studying at ENS in Paris, Kieffer recieved his PhD in 2021 from the University of Bordeaux for his work on explicit isogeny computations and point-counting algorithms for abelian surfaces.

Shiva Chidambaram

Shiva Chidambaram is a research scientist at MIT. He joined the collaboration in July 2021 after receiving his PhD from the University of Chicago. His main research interests are number theory and arithmetic geometry, with a focus on Galois representations, Selmer and Tate-Shafarevich groups, and computational aspects of torsion of low dimensional abelian varieties and related moduli spaces.

Angelica Babei

Angelica Babei was a research scientist at Dartmouth College in spring 2021. Her research interests include classical and Hilbert modular forms, the arithmetic of quaternion orders and orders in semisimple algebras, and explicit methods for these arithmetic objects.