1. Representation of squares by nonsingular cubic forms

   • Lasse Grimmelt
   • Will Sawin

   OriginalPaper 23 March 2021 Pages: 501 - 547

2. Convex graphon parameters and graph norms

   • Joonkyung Lee
   • Bjarne Schülke

   OriginalPaper 06 March 2021 Pages: 549 - 563

3. Locally convex curves and the Bruhat stratification of the spin group

   • Victor Goulart
   • Nicolau C. Saldanha

   OriginalPaper 23 April 2021 Pages: 565 - 604

4. A classification of Breuil modules

   • Chol Park

   OriginalPaper 23 April 2021 Pages: 605 - 635

5. Lagrangians of hypergraphs II: When colex is best

   • Vytautas Gruslys
   • Shoham Letzter
   • Natasha Morrison

   OriginalPaper 23 April 2021 Pages: 637 - 662

6. Successive failures of approachability

   • Spencer Unger

   OriginalPaper 07 May 2021 Pages: 663 - 695

7. A weak version of the strong exponential closure

   • Paola D’Aquino
   • Antongiulio Fornasiero
   • G. Terzo

   OriginalPaper 07 May 2021 Pages: 697 - 705

8. Overconvergent Eichler-Shimura isomorphisms for unitary Shimura curves over totally real fields

   • Daniel Barrera
   • Shan Gao

   OriginalPaper 07 May 2021 Pages: 707 - 767

9. Hereditary interval algebras and cardinal characteristics of the continuum

   • Michael Hrušák
   • Carlos Azarel Martínez-Ranero
   • Ulises Ariet Ramos-García

   OriginalPaper 25 May 2021 Pages: 769 - 795

10. Metric uniformization of morphisms of Berkovich curves via p-adic differential equations

    • Francesco Baldassarri
    • Velibor Bojković

    OriginalPaper 25 May 2021 Pages: 797 - 838

11. Right exact localizations of groups

    • Danil Akhtiamov
    • Sergei O. Ivanov
    • Fedor Pavutnitskiy

    OriginalPaper 25 May 2021 Pages: 839 - 873

12. Porosity and diametrical completeness

    • José Pedro Moreno

    OriginalPaper 25 May 2021 Pages: 875 - 890

13. Central limit theorem and cohomological equation on homogeneous spaces

    • Ronggang Shi

    OriginalPaper 25 May 2021 Pages: 891 - 931

14. Transfinite sequences of topologies, descriptive complexity, and approximating equivalence relations

    • Sławomir Solecki

    OriginalPaper 25 May 2021 Pages: 933 - 953

15. Braidoids

    • Neslihan Gügümcü
    • Sofia Lambropoulou

    OriginalPaper 25 May 2021 Pages: 955 - 995

16. Corrigendum to “The twisted group ring isomorphism problem over fields”

    • Leo Margolis
    • Ofir Schnabel

    Corrigendum 23 March 2021 Pages: 997 - 1000