1. Magnifying elements and factorization of ordered semigroups

   • Niovi Kehayopulu
   • Michael Tsingelis

   OriginalPaper 05 September 2019 Article: 39

   

2. A topological approach to MTL-algebras

   • Wesley Fussner
   • Sara Ugolini

   OriginalPaper 05 September 2019 Article: 38

   

3. On prevarieties of logic

   • Tommaso Moraschini
   • James G. Raftery

   OriginalPaper 04 September 2019 Article: 37

4. Complexity of the universal theory of bounded residuated distributive lattice-ordered groupoids

   • Dmitry Shkatov
   • C. J. Van Alten

   OriginalPaper 06 August 2019 Article: 36

5. Arithmetic and k-maximality of the cyclic free magma

   • Carles Cardó

   OriginalPaper 06 August 2019 Article: 35

   

6. Term operations in \(\mathcal {V}(N_5)\)

   • John W. Snow

   OriginalPaper 29 July 2019 Article: 34

7. \(\Lambda \)-Ultrametric spaces and lattices of equivalence relations

   • Samuel Braunfeld

   OriginalPaper 25 July 2019 Article: 33

8. On multiplicative equivalences that are totally incompatible with division

   • Aleš Drápal

   OriginalPaper 25 July 2019 Article: 32

   

9. Commutative consistently \(L^{*}\)-rings

   • Jingjing Ma

   OriginalPaper 22 July 2019 Article: 31

10. Varieties generated by completions

    • Hajnal Andréka
    • István Németi

    OriginalPaper 08 July 2019 Article: 30

11. The Płonka product of topological spaces

    • Stefano Bonzio
    • Andrea Loi

    OriginalPaper 08 July 2019 Article: 29

    

12. Definable relations in finite dimensional subspace lattices with involution. Part II: Quantifier-free and homogeneous descriptions

    • Christian Herrmann
    • Martin Ziegler

    OriginalPaper 08 July 2019 Article: 28

13. The undecidability of the elementary theory of lattices of all equational theories of large signature

    • George F. McNulty

    OriginalPaper 08 July 2019 Article: 27

14. Lattice-equivalence of convex spaces

    • Chong Shen
    • Shao-Jun Yang
    • Fu-Gui Shi

    OriginalPaper 28 June 2019 Article: 26