Improved methods for finding imaginary quadratic fields with high n-rank / Christian Bagshaw, Renate Scheidler, Michael J. Jacobson, and Nickolas Rollick Unconditional computation of the class groups of real quadratic fields / Ce Bian, Andrew R. Booker, Austin Docherty, Michael J. Jacobson, Jr., and Andrei Seymour-Howell The relative class number one problem for function fields, III / Kiran S. Kedlaya Computing the endomorphism ring of an elliptic curve over a number field / John E. Cremona and Andrew V. Sutherland Serre curves relative to obstructions modulo 2 / Jacob Mayle and Rakvi Computing nonsurjective primes associated to Galois representations of genus 2 curves / Barinder S. Banwait, Armand Brumer, Hyun Jong Kim, Zev Klagsbrun, Jacob Mayle, Padmavathi Srinivasan, and Isabel Vogt Families of genus-2 curves with 5-torsion / Noam D. Elkies Computing isogeny classes of typical principally polarized abelian surfaces over the rationals / Raymond van Bommel, Shiva Chidambaram, Edgar Costa, and Jean Kieffer Rational points on rank 2 genus 2 bielliptic curves in the LMFDB / Francesca Bianchi and Oana Padurariu A database of paramodular forms from quinary orthogonal modular forms / Eran Assaf, Watson Ladd, Gustavo Rama, Gonzalo Tornaría, and John Voight Modular algorithms for Gross-Stark units and Stark-Heegner points / Håvard Damm-Johnsen A database of basic numerical invariants of Hilbert modular surfaces / Eran Assaf, Angelica Babei, Ben Breen, Edgar Costa, Juanita Duque-Rosero, Aleksander Horawa, Jean Kieffer, Avinash Kulkarni, Grant Molnar, Sam Schiavone, and John Voight The landscape of L-functions: degree 3 and conductor 1 / David W. Farmer, Sally Koutsoliotas, Stefan Lemurell, and David P. Roberts Deuring for the people: supersingular elliptic curves with prescribed endomorphism ring in general characteristic / Jonathan Komada Eriksen, Lorenz Panny, Jana Sotakova, and Mattia Veroni. | 