1. On connected quandles of prime power order

   • Giuliano Bianco
   • Marco Bonatto

   Original Paper 03 June 2020 Pages: 555 - 586

   

2. Infinite prime avoidance

   • Justin Chen

   Original Paper 22 June 2020 Pages: 587 - 593

3. A note on imbedded prime divisors

   • Rahul Kumar
   • Atul Gaur

   Original Paper 25 June 2020 Pages: 595 - 597

4. Note on integer-valued polynomials on a residually cofinite subset

   • Ali Tamoussit

   Original Paper 10 July 2020 Pages: 599 - 604

5. Rings in which every 2-absorbing primary ideal is primary

   • Mohamed Issoual

   Original Paper 30 July 2020 Pages: 605 - 614

6. Centrally essential torsion-free rings of finite rank

   • O. V. Lyubimtsev
   • A. A. Tuganbaev

   Original Paper 11 September 2020 Pages: 615 - 622

7. Groupoids and the algebra of rewriting in group presentations

   • N. D. Gilbert
   • E. A. McDougall

   Original Paper Open access 15 September 2020 Pages: 623 - 639

8. Random Gale diagrams and neighborly polytopes in high dimensions

   • Rolf Schneider

   Original Paper 16 August 2020 Pages: 641 - 650

9. Chiral polytopes of full rank exist only in ranks 4 and 5

   • Daniel Pellicer

   Original Paper 04 November 2020 Pages: 651 - 665

10. Gorenstein polytopes with trinomial \(h^*\)-polynomials

    • Akihiro Higashitani
    • Benjamin Nill
    • Akiyoshi Tsuchiya

    Original Paper 07 July 2020 Pages: 667 - 685

11. Elimination of parasitic solutions in the theory of flexible polyhedra

    • I. Kh. Sabitov
    • D. A. Stepanov

    Original Paper 01 June 2020 Pages: 687 - 703

12. Some inequalities for tetrahedra

    • Jin-ichi Itoh
    • Joël Rouyer
    • Costin Vîlcu

    Original Paper 23 November 2020 Pages: 705 - 715

    

13. Antipodal Hadwiger numbers of finite-dimensional Banach spaces

    • S. K. Mercourakis
    • G. Vassiliadis

    Original Paper 27 June 2020 Pages: 717 - 735

    

14. K-contact metrics as Ricci almost solitons

    • Dhriti Sundar Patra

    Original Paper 23 October 2020 Pages: 737 - 744

15. An algebraic characterisation for Finsler metrics of constant flag curvature

    • Ioan Bucataru
    • Dan Gregorian Fodor

    Original Paper 24 June 2020 Pages: 745 - 754