1. Fractional parts of dense additive subgroups of real numbers

   • Luc Bélair
   • Françoise Point

   OriginalPaper 27 November 2018 Article: 92

2. The Archimedean property: new horizons and perspectives

   • Antonio Ledda
   • Francesco Paoli
   • Constantine Tsinakis

   OriginalPaper 24 November 2018 Article: 91

3. Knaster and friends I: closed colorings and precalibers

   • Chris Lambie-Hanson
   • Assaf Rinot

   OriginalPaper 23 November 2018 Article: 90

4. Meet-irreducible congruence lattices

   • Danica Jakubíková–Studenovská
   • Lucia Janičková

   OriginalPaper 21 November 2018 Article: 89

5. Congruence computations in principal arithmetical varieties

   • Kalle Kaarli
   • Alden Pixley

   OriginalPaper 21 November 2018 Article: 88

6. Finite representations for two small relation algebras

   • Jeremy F. Alm
   • Roger D. Maddux

   OriginalPaper 19 November 2018 Article: 87

7. Ordered group-valued probability, positive operators, and integral representations

   • Tomáš Kroupa

   OriginalPaper 16 November 2018 Article: 86

8. On the number of essential arguments of homomorphisms between products of median algebras

   • Miguel Couceiro
   • Gerasimos C. Meletiou

   OriginalPaper 15 November 2018 Article: 85

9. The canonical join complex for biclosed sets

   • Alexander Clifton
   • Peter Dillery
   • Alexander Garver

   OriginalPaper 15 November 2018 Article: 84

10. Kites and residuated lattices

    • Michal Botur
    • Anatolij Dvurečenskij

    OriginalPaper 13 November 2018 Article: 83

11. Endpoints of associated intervals for local clones on an infinite set

    • Boris A. Romov

    OriginalPaper 11 October 2018 Article: 82

12. o-Groups of finite rank and divisibility in their groups of o-automorphisms

    • Ramiro H. Lafuente-Rodriguez

    OriginalPaper 09 October 2018 Article: 81

13. Canonical extensions and ultraproducts of polarities

    • Robert Goldblatt

    OriginalPaper 08 October 2018 Article: 80

14. Tight embedding of modular lattices into partition lattices: progress and program

    • Marcel Wild

    OriginalPaper 08 October 2018 Article: 79

15. Congruences on near-Heyting algebras

    • Luciano J. González
    • Marina B. Lattanzi

    OriginalPaper 26 September 2018 Article: 78

16. On generalized subreducts of Tarski’s algebras of relations with the operation of bi-directional intersection

    • Dmitry A. Bredikhin

    OriginalPaper 11 September 2018 Article: 77