1. On a resolvent approach for perturbed semigroups and application to \(L^1\)-neutron transport theory

   • Hatem Megdiche
   • Mohamed Aziz Taoudi

   Research Article 14 February 2018 Pages: 353 - 376

2. A note on regular congruences of ordered semigroups

   • Boža Tasić

   Research Article 09 February 2018 Pages: 377 - 383

   

3. Congruences on direct products of transformation and matrix monoids

   • João Araújo
   • Wolfram Bentz
   • Gracinda M. S. Gomes

   Research Article 02 April 2018 Pages: 384 - 416

   

4. Left and right negatively orderable semigroups where every element has a left and a right identity

   • Zsófia Juhász

   Research Article 09 April 2018 Pages: 417 - 434

   

5. Free operated monoids and rewriting systems

   • Jin Zhang
   • Xing Gao

   RESEARCH ARTICLE 17 April 2018 Pages: 435 - 456

6. Cross-connections of linear transformation semigroups

   • P. A. A. Muhammed

   Research Article 30 April 2018 Pages: 457 - 470

7. Hindman’s theorem and idempotent types

   • Uri Andrews
   • Isaac Goldbring

   Research Article 07 May 2018 Pages: 471 - 477

8. Frobenius restricted varieties in numerical semigroups

   • Aureliano M. Robles-Pérez
   • José Carlos Rosales

   Research Article 14 June 2018 Pages: 478 - 492

   

9. Gcd-monoids arising from homotopy groupoids

   • Friedrich Wehrung

   Research Article 14 June 2018 Pages: 493 - 522

   

10. Compact operator semigroups applied to dynamical systems

    • Henrik Kreidler

    Research Article 18 July 2018 Pages: 523 - 547

11. Regular semigroups with weakly simplistic orthodox transversals

    • Xiangjun Kong

    Research Article 14 September 2018 Pages: 548 - 561

12. Module operator virtual diagonals on the Fourier algebra of an inverse semigroup

    • Massoud Amini
    • Reza Rezavand

    RESEARCH ARTICLE 30 October 2018 Pages: 562 - 570

13. Semigroup identities of tropical matrix semigroups of maximal rank

    • Zur Izhakian

    Acknowledgement 30 October 2018 Pages: 571 - 571